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Finding the Fourth Proportional to 95,693.91, 132,049 and 55,410.40

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Solution

The fourth proportional to 95,693.91, 132,049 and 55,410.40 is: 76,461.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,693.91 : 132,049 = 55,410.40 : x
  2. Step 2: Convert to fraction form
    95,693.91/132,049 = 55,410.40/x
  3. Step 3: Cross multiply
    95,693.91x = 132,049 × 55,410.40
  4. Step 4: Simplify right side
    95,693.91x = 7,316,887,909.60
  5. Step 5: Solve for x
    x = 7,316,887,909.60/95,693.91
  6. Step 6: Final answer
    x = 76,461.37

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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.