Home / 80,038.30-110,541.99-62,105.85

Finding the Fourth Proportional to 80,038.30, 110,541.99 and 62,105.85

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Solution

The fourth proportional to 80,038.30, 110,541.99 and 62,105.85 is: 85,775.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,038.30 : 110,541.99 = 62,105.85 : x
  2. Step 2: Convert to fraction form
    80,038.30/110,541.99 = 62,105.85/x
  3. Step 3: Cross multiply
    80,038.30x = 110,541.99 × 62,105.85
  4. Step 4: Simplify right side
    80,038.30x = 6,865,304,249.64
  5. Step 5: Solve for x
    x = 6,865,304,249.64/80,038.30
  6. Step 6: Final answer
    x = 85,775.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.