Home / 42,151.92-63,179.88-14,065.38

Finding the Fourth Proportional to 42,151.92, 63,179.88 and 14,065.38

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Solution

The fourth proportional to 42,151.92, 63,179.88 and 14,065.38 is: 21,082.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,151.92 : 63,179.88 = 14,065.38 : x
  2. Step 2: Convert to fraction form
    42,151.92/63,179.88 = 14,065.38/x
  3. Step 3: Cross multiply
    42,151.92x = 63,179.88 × 14,065.38
  4. Step 4: Simplify right side
    42,151.92x = 888,649,020.55
  5. Step 5: Solve for x
    x = 888,649,020.55/42,151.92
  6. Step 6: Final answer
    x = 21,082.05

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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.