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Finding the Fourth Proportional to 95,593.64, 131,904.45 and 55,311.16

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Solution

The fourth proportional to 95,593.64, 131,904.45 and 55,311.16 is: 76,320.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,593.64 : 131,904.45 = 55,311.16 : x
  2. Step 2: Convert to fraction form
    95,593.64/131,904.45 = 55,311.16/x
  3. Step 3: Cross multiply
    95,593.64x = 131,904.45 × 55,311.16
  4. Step 4: Simplify right side
    95,593.64x = 7,295,788,138.66
  5. Step 5: Solve for x
    x = 7,295,788,138.66/95,593.64
  6. Step 6: Final answer
    x = 76,320.85

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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.