Home / 67,687.68-101,552.28-30,279.24

Finding the Fourth Proportional to 67,687.68, 101,552.28 and 30,279.24

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Solution

The fourth proportional to 67,687.68, 101,552.28 and 30,279.24 is: 45,428.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,687.68 : 101,552.28 = 30,279.24 : x
  2. Step 2: Convert to fraction form
    67,687.68/101,552.28 = 30,279.24/x
  3. Step 3: Cross multiply
    67,687.68x = 101,552.28 × 30,279.24
  4. Step 4: Simplify right side
    67,687.68x = 3,074,925,858.67
  5. Step 5: Solve for x
    x = 3,074,925,858.67/67,687.68
  6. Step 6: Final answer
    x = 45,428.15

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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.