Home / 102,640.29-153,938.43-59,917.26

Finding the Fourth Proportional to 102,640.29, 153,938.43 and 59,917.26

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Solution

The fourth proportional to 102,640.29, 153,938.43 and 59,917.26 is: 89,863.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,640.29 : 153,938.43 = 59,917.26 : x
  2. Step 2: Convert to fraction form
    102,640.29/153,938.43 = 59,917.26/x
  3. Step 3: Cross multiply
    102,640.29x = 153,938.43 × 59,917.26
  4. Step 4: Simplify right side
    102,640.29x = 9,223,568,934.30
  5. Step 5: Solve for x
    x = 9,223,568,934.30/102,640.29
  6. Step 6: Final answer
    x = 89,863.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.