Home / 84,502.29-126,500.90-51,121.47

Finding the Fourth Proportional to 84,502.29, 126,500.90 and 51,121.47

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Solution

The fourth proportional to 84,502.29, 126,500.90 and 51,121.47 is: 76,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,502.29 : 126,500.90 = 51,121.47 : x
  2. Step 2: Convert to fraction form
    84,502.29/126,500.90 = 51,121.47/x
  3. Step 3: Cross multiply
    84,502.29x = 126,500.90 × 51,121.47
  4. Step 4: Simplify right side
    84,502.29x = 6,466,911,708.72
  5. Step 5: Solve for x
    x = 6,466,911,708.72/84,502.29
  6. Step 6: Final answer
    x = 76,529.43

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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.