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Finding the Fourth Proportional to 84,452.40, 116,532.84 and 48,158.52

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Solution

The fourth proportional to 84,452.40, 116,532.84 and 48,158.52 is: 66,452.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,452.40 : 116,532.84 = 48,158.52 : x
  2. Step 2: Convert to fraction form
    84,452.40/116,532.84 = 48,158.52/x
  3. Step 3: Cross multiply
    84,452.40x = 116,532.84 × 48,158.52
  4. Step 4: Simplify right side
    84,452.40x = 5,612,049,105.80
  5. Step 5: Solve for x
    x = 5,612,049,105.80/84,452.40
  6. Step 6: Final answer
    x = 66,452.22

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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.