Home / 82,305.61-123,465.70-23,141.79

Finding the Fourth Proportional to 82,305.61, 123,465.70 and 23,141.79

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Solution

The fourth proportional to 82,305.61, 123,465.70 and 23,141.79 is: 34,714.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,305.61 : 123,465.70 = 23,141.79 : x
  2. Step 2: Convert to fraction form
    82,305.61/123,465.70 = 23,141.79/x
  3. Step 3: Cross multiply
    82,305.61x = 123,465.70 × 23,141.79
  4. Step 4: Simplify right side
    82,305.61x = 2,857,217,330.53
  5. Step 5: Solve for x
    x = 2,857,217,330.53/82,305.61
  6. Step 6: Final answer
    x = 34,714.73

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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.