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Finding the Fourth Proportional to 95,281.70, 131,479.27 and 55,008.46

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Solution

The fourth proportional to 95,281.70, 131,479.27 and 55,008.46 is: 75,906.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,281.70 : 131,479.27 = 55,008.46 : x
  2. Step 2: Convert to fraction form
    95,281.70/131,479.27 = 55,008.46/x
  3. Step 3: Cross multiply
    95,281.70x = 131,479.27 × 55,008.46
  4. Step 4: Simplify right side
    95,281.70x = 7,232,472,287.04
  5. Step 5: Solve for x
    x = 7,232,472,287.04/95,281.70
  6. Step 6: Final answer
    x = 75,906.20

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1.5x scale

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.