Home / 82,354.03-123,551.63-38,011.79

Finding the Fourth Proportional to 82,354.03, 123,551.63 and 38,011.79

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Solution

The fourth proportional to 82,354.03, 123,551.63 and 38,011.79 is: 57,027.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,354.03 : 123,551.63 = 38,011.79 : x
  2. Step 2: Convert to fraction form
    82,354.03/123,551.63 = 38,011.79/x
  3. Step 3: Cross multiply
    82,354.03x = 123,551.63 × 38,011.79
  4. Step 4: Simplify right side
    82,354.03x = 4,696,418,613.72
  5. Step 5: Solve for x
    x = 4,696,418,613.72/82,354.03
  6. Step 6: Final answer
    x = 57,027.19

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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.