Home / 82,885.19-124,327.67-38,487.66

Finding the Fourth Proportional to 82,885.19, 124,327.67 and 38,487.66

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Solution

The fourth proportional to 82,885.19, 124,327.67 and 38,487.66 is: 57,731.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,885.19 : 124,327.67 = 38,487.66 : x
  2. Step 2: Convert to fraction form
    82,885.19/124,327.67 = 38,487.66/x
  3. Step 3: Cross multiply
    82,885.19x = 124,327.67 × 38,487.66
  4. Step 4: Simplify right side
    82,885.19x = 4,785,080,899.11
  5. Step 5: Solve for x
    x = 4,785,080,899.11/82,885.19
  6. Step 6: Final answer
    x = 57,731.44

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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.