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Finding the Fourth Proportional to 85,295.04, 117,706.86 and 47,569.26

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Solution

The fourth proportional to 85,295.04, 117,706.86 and 47,569.26 is: 65,645.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,295.04 : 117,706.86 = 47,569.26 : x
  2. Step 2: Convert to fraction form
    85,295.04/117,706.86 = 47,569.26/x
  3. Step 3: Cross multiply
    85,295.04x = 117,706.86 × 47,569.26
  4. Step 4: Simplify right side
    85,295.04x = 5,599,228,227.12
  5. Step 5: Solve for x
    x = 5,599,228,227.12/85,295.04
  6. Step 6: Final answer
    x = 65,645.41

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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.