Home / 84,500.29-126,497.89-51,119.47

Finding the Fourth Proportional to 84,500.29, 126,497.89 and 51,119.47

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Solution

The fourth proportional to 84,500.29, 126,497.89 and 51,119.47 is: 76,526.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,500.29 : 126,497.89 = 51,119.47 : x
  2. Step 2: Convert to fraction form
    84,500.29/126,497.89 = 51,119.47/x
  3. Step 3: Cross multiply
    84,500.29x = 126,497.89 × 51,119.47
  4. Step 4: Simplify right side
    84,500.29x = 6,466,505,092.92
  5. Step 5: Solve for x
    x = 6,466,505,092.92/84,500.29
  6. Step 6: Final answer
    x = 76,526.42

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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.