Home / 82,964.40-124,487.10-38,568.30

Finding the Fourth Proportional to 82,964.40, 124,487.10 and 38,568.30

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Solution

The fourth proportional to 82,964.40, 124,487.10 and 38,568.30 is: 57,871.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,964.40 : 124,487.10 = 38,568.30 : x
  2. Step 2: Convert to fraction form
    82,964.40/124,487.10 = 38,568.30/x
  3. Step 3: Cross multiply
    82,964.40x = 124,487.10 × 38,568.30
  4. Step 4: Simplify right side
    82,964.40x = 4,801,255,818.93
  5. Step 5: Solve for x
    x = 4,801,255,818.93/82,964.40
  6. Step 6: Final answer
    x = 57,871.28

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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.