Home / 67,307.15-100,965.59-17,387.66

Finding the Fourth Proportional to 67,307.15, 100,965.59 and 17,387.66

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Solution

The fourth proportional to 67,307.15, 100,965.59 and 17,387.66 is: 26,082.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,307.15 : 100,965.59 = 17,387.66 : x
  2. Step 2: Convert to fraction form
    67,307.15/100,965.59 = 17,387.66/x
  3. Step 3: Cross multiply
    67,307.15x = 100,965.59 × 17,387.66
  4. Step 4: Simplify right side
    67,307.15x = 1,755,555,581.30
  5. Step 5: Solve for x
    x = 1,755,555,581.30/67,307.15
  6. Step 6: Final answer
    x = 26,082.75

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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.