Home / 63,420.62-87,519.38-35,125.70

Finding the Fourth Proportional to 63,420.62, 87,519.38 and 35,125.70

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Solution

The fourth proportional to 63,420.62, 87,519.38 and 35,125.70 is: 48,472.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,420.62 : 87,519.38 = 35,125.70 : x
  2. Step 2: Convert to fraction form
    63,420.62/87,519.38 = 35,125.70/x
  3. Step 3: Cross multiply
    63,420.62x = 87,519.38 × 35,125.70
  4. Step 4: Simplify right side
    63,420.62x = 3,074,179,486.07
  5. Step 5: Solve for x
    x = 3,074,179,486.07/63,420.62
  6. Step 6: Final answer
    x = 48,472.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.