Home / 63,989.40-95,984.10-56,472.60

Finding the Fourth Proportional to 63,989.40, 95,984.10 and 56,472.60

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Solution

The fourth proportional to 63,989.40, 95,984.10 and 56,472.60 is: 84,708.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,989.40 : 95,984.10 = 56,472.60 : x
  2. Step 2: Convert to fraction form
    63,989.40/95,984.10 = 56,472.60/x
  3. Step 3: Cross multiply
    63,989.40x = 95,984.10 × 56,472.60
  4. Step 4: Simplify right side
    63,989.40x = 5,420,471,685.66
  5. Step 5: Solve for x
    x = 5,420,471,685.66/63,989.40
  6. Step 6: Final answer
    x = 84,708.90

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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.