Home / 85,562.00-128,306.21-29,407.74

Finding the Fourth Proportional to 85,562.00, 128,306.21 and 29,407.74

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Solution

The fourth proportional to 85,562.00, 128,306.21 and 29,407.74 is: 44,098.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,562.00 : 128,306.21 = 29,407.74 : x
  2. Step 2: Convert to fraction form
    85,562.00/128,306.21 = 29,407.74/x
  3. Step 3: Cross multiply
    85,562.00x = 128,306.21 × 29,407.74
  4. Step 4: Simplify right side
    85,562.00x = 3,773,195,517.03
  5. Step 5: Solve for x
    x = 3,773,195,517.03/85,562.00
  6. Step 6: Final answer
    x = 44,098.97

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1.5x scale

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.