Home / 42,158.92-63,190.38-14,072.38

Finding the Fourth Proportional to 42,158.92, 63,190.38 and 14,072.38

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Solution

The fourth proportional to 42,158.92, 63,190.38 and 14,072.38 is: 21,092.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,158.92 : 63,190.38 = 14,072.38 : x
  2. Step 2: Convert to fraction form
    42,158.92/63,190.38 = 14,072.38/x
  3. Step 3: Cross multiply
    42,158.92x = 63,190.38 × 14,072.38
  4. Step 4: Simplify right side
    42,158.92x = 889,239,039.70
  5. Step 5: Solve for x
    x = 889,239,039.70/42,158.92
  6. Step 6: Final answer
    x = 21,092.55

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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.