Home / 87,040.14-130,346.49-42,523.38

Finding the Fourth Proportional to 87,040.14, 130,346.49 and 42,523.38

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Solution

The fourth proportional to 87,040.14, 130,346.49 and 42,523.38 is: 63,680.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,040.14 : 130,346.49 = 42,523.38 : x
  2. Step 2: Convert to fraction form
    87,040.14/130,346.49 = 42,523.38/x
  3. Step 3: Cross multiply
    87,040.14x = 130,346.49 × 42,523.38
  4. Step 4: Simplify right side
    87,040.14x = 5,542,773,325.94
  5. Step 5: Solve for x
    x = 5,542,773,325.94/87,040.14
  6. Step 6: Final answer
    x = 63,680.66

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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.