Home / 101,454.07-152,082.18-42,306.64

Finding the Fourth Proportional to 101,454.07, 152,082.18 and 42,306.64

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Solution

The fourth proportional to 101,454.07, 152,082.18 and 42,306.64 is: 63,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,454.07 : 152,082.18 = 42,306.64 : x
  2. Step 2: Convert to fraction form
    101,454.07/152,082.18 = 42,306.64/x
  3. Step 3: Cross multiply
    101,454.07x = 152,082.18 × 42,306.64
  4. Step 4: Simplify right side
    101,454.07x = 6,434,086,039.68
  5. Step 5: Solve for x
    x = 6,434,086,039.68/101,454.07
  6. Step 6: Final answer
    x = 63,418.71

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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.