Home / 84,472.74-126,709.01-38,875.85

Finding the Fourth Proportional to 84,472.74, 126,709.01 and 38,875.85

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Solution

The fourth proportional to 84,472.74, 126,709.01 and 38,875.85 is: 58,313.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,472.74 : 126,709.01 = 38,875.85 : x
  2. Step 2: Convert to fraction form
    84,472.74/126,709.01 = 38,875.85/x
  3. Step 3: Cross multiply
    84,472.74x = 126,709.01 × 38,875.85
  4. Step 4: Simplify right side
    84,472.74x = 4,925,920,259.43
  5. Step 5: Solve for x
    x = 4,925,920,259.43/84,472.74
  6. Step 6: Final answer
    x = 58,313.73

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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.