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Finding the Fourth Proportional to 85,510.69, 118,012.04 and 47,792.23

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Solution

The fourth proportional to 85,510.69, 118,012.04 and 47,792.23 is: 65,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,510.69 : 118,012.04 = 47,792.23 : x
  2. Step 2: Convert to fraction form
    85,510.69/118,012.04 = 47,792.23/x
  3. Step 3: Cross multiply
    85,510.69x = 118,012.04 × 47,792.23
  4. Step 4: Simplify right side
    85,510.69x = 5,640,058,203.68
  5. Step 5: Solve for x
    x = 5,640,058,203.68/85,510.69
  6. Step 6: Final answer
    x = 65,957.35

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.