Home / 83,452.38-124,571.52-77,285.04

Finding the Fourth Proportional to 83,452.38, 124,571.52 and 77,285.04

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Solution

The fourth proportional to 83,452.38, 124,571.52 and 77,285.04 is: 115,365.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,452.38 : 124,571.52 = 77,285.04 : x
  2. Step 2: Convert to fraction form
    83,452.38/124,571.52 = 77,285.04/x
  3. Step 3: Cross multiply
    83,452.38x = 124,571.52 × 77,285.04
  4. Step 4: Simplify right side
    83,452.38x = 9,627,514,712.85
  5. Step 5: Solve for x
    x = 9,627,514,712.85/83,452.38
  6. Step 6: Final answer
    x = 115,365.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.