Home / 82,344.66-123,534.45-31,745.00

Finding the Fourth Proportional to 82,344.66, 123,534.45 and 31,745.00

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Solution

The fourth proportional to 82,344.66, 123,534.45 and 31,745.00 is: 47,624.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,344.66 : 123,534.45 = 31,745.00 : x
  2. Step 2: Convert to fraction form
    82,344.66/123,534.45 = 31,745.00/x
  3. Step 3: Cross multiply
    82,344.66x = 123,534.45 × 31,745.00
  4. Step 4: Simplify right side
    82,344.66x = 3,921,600,497.58
  5. Step 5: Solve for x
    x = 3,921,600,497.58/82,344.66
  6. Step 6: Final answer
    x = 47,624.22

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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.