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Finding the Fourth Proportional to 96,134.88, 132,643.44 and 58,406.88

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Solution

The fourth proportional to 96,134.88, 132,643.44 and 58,406.88 is: 80,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,134.88 : 132,643.44 = 58,406.88 : x
  2. Step 2: Convert to fraction form
    96,134.88/132,643.44 = 58,406.88/x
  3. Step 3: Cross multiply
    96,134.88x = 132,643.44 × 58,406.88
  4. Step 4: Simplify right side
    96,134.88x = 7,747,289,482.87
  5. Step 5: Solve for x
    x = 7,747,289,482.87/96,134.88
  6. Step 6: Final answer
    x = 80,587.71

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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.