Home / 82,471.59-123,611.76-38,004.93

Finding the Fourth Proportional to 82,471.59, 123,611.76 and 38,004.93

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Solution

The fourth proportional to 82,471.59, 123,611.76 and 38,004.93 is: 56,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,471.59 : 123,611.76 = 38,004.93 : x
  2. Step 2: Convert to fraction form
    82,471.59/123,611.76 = 38,004.93/x
  3. Step 3: Cross multiply
    82,471.59x = 123,611.76 × 38,004.93
  4. Step 4: Simplify right side
    82,471.59x = 4,697,856,285.98
  5. Step 5: Solve for x
    x = 4,697,856,285.98/82,471.59
  6. Step 6: Final answer
    x = 56,963.33

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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.