Home / 85,949.66-118,608.67-47,706.97

Finding the Fourth Proportional to 85,949.66, 118,608.67 and 47,706.97

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Solution

The fourth proportional to 85,949.66, 118,608.67 and 47,706.97 is: 65,834.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,949.66 : 118,608.67 = 47,706.97 : x
  2. Step 2: Convert to fraction form
    85,949.66/118,608.67 = 47,706.97/x
  3. Step 3: Cross multiply
    85,949.66x = 118,608.67 × 47,706.97
  4. Step 4: Simplify right side
    85,949.66x = 5,658,460,261.43
  5. Step 5: Solve for x
    x = 5,658,460,261.43/85,949.66
  6. Step 6: Final answer
    x = 65,834.59

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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.