Home / 61,248.10-91,872.15-26,191.30

Finding the Fourth Proportional to 61,248.10, 91,872.15 and 26,191.30

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Solution

The fourth proportional to 61,248.10, 91,872.15 and 26,191.30 is: 39,286.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,248.10 : 91,872.15 = 26,191.30 : x
  2. Step 2: Convert to fraction form
    61,248.10/91,872.15 = 26,191.30/x
  3. Step 3: Cross multiply
    61,248.10x = 91,872.15 × 26,191.30
  4. Step 4: Simplify right side
    61,248.10x = 2,406,251,042.30
  5. Step 5: Solve for x
    x = 2,406,251,042.30/61,248.10
  6. Step 6: Final answer
    x = 39,286.95

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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.