Home / 63,126.20-87,122.60-61,049.24

Finding the Fourth Proportional to 63,126.20, 87,122.60 and 61,049.24

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Solution

The fourth proportional to 63,126.20, 87,122.60 and 61,049.24 is: 84,256.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,126.20 : 87,122.60 = 61,049.24 : x
  2. Step 2: Convert to fraction form
    63,126.20/87,122.60 = 61,049.24/x
  3. Step 3: Cross multiply
    63,126.20x = 87,122.60 × 61,049.24
  4. Step 4: Simplify right side
    63,126.20x = 5,318,767,775.96
  5. Step 5: Solve for x
    x = 5,318,767,775.96/63,126.20
  6. Step 6: Final answer
    x = 84,256.11

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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.