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Finding the Fourth Proportional to 82,737.64, 124,158.30 and 33,489.64

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Solution

The fourth proportional to 82,737.64, 124,158.30 and 33,489.64 is: 50,255.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,737.64 : 124,158.30 = 33,489.64 : x
  2. Step 2: Convert to fraction form
    82,737.64/124,158.30 = 33,489.64/x
  3. Step 3: Cross multiply
    82,737.64x = 124,158.30 × 33,489.64
  4. Step 4: Simplify right side
    82,737.64x = 4,158,016,770.01
  5. Step 5: Solve for x
    x = 4,158,016,770.01/82,737.64
  6. Step 6: Final answer
    x = 50,255.44

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1.5x scale

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.