Home / 84,308.84-126,565.14-39,372.92

Finding the Fourth Proportional to 84,308.84, 126,565.14 and 39,372.92

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Solution

The fourth proportional to 84,308.84, 126,565.14 and 39,372.92 is: 59,106.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,308.84 : 126,565.14 = 39,372.92 : x
  2. Step 2: Convert to fraction form
    84,308.84/126,565.14 = 39,372.92/x
  3. Step 3: Cross multiply
    84,308.84x = 126,565.14 × 39,372.92
  4. Step 4: Simplify right side
    84,308.84x = 4,983,239,132.01
  5. Step 5: Solve for x
    x = 4,983,239,132.01/84,308.84
  6. Step 6: Final answer
    x = 59,106.96

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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.