Home / 89,449.96-123,452.60-57,711.18

Finding the Fourth Proportional to 89,449.96, 123,452.60 and 57,711.18

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Solution

The fourth proportional to 89,449.96, 123,452.60 and 57,711.18 is: 79,648.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,449.96 : 123,452.60 = 57,711.18 : x
  2. Step 2: Convert to fraction form
    89,449.96/123,452.60 = 57,711.18/x
  3. Step 3: Cross multiply
    89,449.96x = 123,452.60 × 57,711.18
  4. Step 4: Simplify right side
    89,449.96x = 7,124,595,220.07
  5. Step 5: Solve for x
    x = 7,124,595,220.07/89,449.96
  6. Step 6: Final answer
    x = 79,648.95

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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.