Home / 82,919.72-124,397.28-26,763.04

Finding the Fourth Proportional to 82,919.72, 124,397.28 and 26,763.04

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Solution

The fourth proportional to 82,919.72, 124,397.28 and 26,763.04 is: 40,150.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,919.72 : 124,397.28 = 26,763.04 : x
  2. Step 2: Convert to fraction form
    82,919.72/124,397.28 = 26,763.04/x
  3. Step 3: Cross multiply
    82,919.72x = 124,397.28 × 26,763.04
  4. Step 4: Simplify right side
    82,919.72x = 3,329,249,380.53
  5. Step 5: Solve for x
    x = 3,329,249,380.53/82,919.72
  6. Step 6: Final answer
    x = 40,150.27

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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.