Home / 86,501.27-119,375.30-54,658.55

Finding the Fourth Proportional to 86,501.27, 119,375.30 and 54,658.55

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Solution

The fourth proportional to 86,501.27, 119,375.30 and 54,658.55 is: 75,431.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,501.27 : 119,375.30 = 54,658.55 : x
  2. Step 2: Convert to fraction form
    86,501.27/119,375.30 = 54,658.55/x
  3. Step 3: Cross multiply
    86,501.27x = 119,375.30 × 54,658.55
  4. Step 4: Simplify right side
    86,501.27x = 6,524,880,530.52
  5. Step 5: Solve for x
    x = 6,524,880,530.52/86,501.27
  6. Step 6: Final answer
    x = 75,431.04

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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.