Home / 67,085.24-100,631.28-17,165.76

Finding the Fourth Proportional to 67,085.24, 100,631.28 and 17,165.76

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Solution

The fourth proportional to 67,085.24, 100,631.28 and 17,165.76 is: 25,749.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,085.24 : 100,631.28 = 17,165.76 : x
  2. Step 2: Convert to fraction form
    67,085.24/100,631.28 = 17,165.76/x
  3. Step 3: Cross multiply
    67,085.24x = 100,631.28 × 17,165.76
  4. Step 4: Simplify right side
    67,085.24x = 1,727,412,400.97
  5. Step 5: Solve for x
    x = 1,727,412,400.97/67,085.24
  6. Step 6: Final answer
    x = 25,749.52

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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.