Home / 82,442.28-123,649.08-38,065.26

Finding the Fourth Proportional to 82,442.28, 123,649.08 and 38,065.26

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Solution

The fourth proportional to 82,442.28, 123,649.08 and 38,065.26 is: 57,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,442.28 : 123,649.08 = 38,065.26 : x
  2. Step 2: Convert to fraction form
    82,442.28/123,649.08 = 38,065.26/x
  3. Step 3: Cross multiply
    82,442.28x = 123,649.08 × 38,065.26
  4. Step 4: Simplify right side
    82,442.28x = 4,706,734,378.96
  5. Step 5: Solve for x
    x = 4,706,734,378.96/82,442.28
  6. Step 6: Final answer
    x = 57,091.27

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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.