Home / 82,475.59-123,617.76-38,008.93

Finding the Fourth Proportional to 82,475.59, 123,617.76 and 38,008.93

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Solution

The fourth proportional to 82,475.59, 123,617.76 and 38,008.93 is: 56,969.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,475.59 : 123,617.76 = 38,008.93 : x
  2. Step 2: Convert to fraction form
    82,475.59/123,617.76 = 38,008.93/x
  3. Step 3: Cross multiply
    82,475.59x = 123,617.76 × 38,008.93
  4. Step 4: Simplify right side
    82,475.59x = 4,698,578,786.60
  5. Step 5: Solve for x
    x = 4,698,578,786.60/82,475.59
  6. Step 6: Final answer
    x = 56,969.33

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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.