Home / 84,569.52-126,697.68-42,400.38

Finding the Fourth Proportional to 84,569.52, 126,697.68 and 42,400.38

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Solution

The fourth proportional to 84,569.52, 126,697.68 and 42,400.38 is: 63,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,569.52 : 126,697.68 = 42,400.38 : x
  2. Step 2: Convert to fraction form
    84,569.52/126,697.68 = 42,400.38/x
  3. Step 3: Cross multiply
    84,569.52x = 126,697.68 × 42,400.38
  4. Step 4: Simplify right side
    84,569.52x = 5,372,029,777.12
  5. Step 5: Solve for x
    x = 5,372,029,777.12/84,569.52
  6. Step 6: Final answer
    x = 63,522.06

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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.