Home / 95,638.46-131,979.29-65,422.76

Finding the Fourth Proportional to 95,638.46, 131,979.29 and 65,422.76

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Solution

The fourth proportional to 95,638.46, 131,979.29 and 65,422.76 is: 90,282.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,638.46 : 131,979.29 = 65,422.76 : x
  2. Step 2: Convert to fraction form
    95,638.46/131,979.29 = 65,422.76/x
  3. Step 3: Cross multiply
    95,638.46x = 131,979.29 × 65,422.76
  4. Step 4: Simplify right side
    95,638.46x = 8,634,450,216.94
  5. Step 5: Solve for x
    x = 8,634,450,216.94/95,638.46
  6. Step 6: Final answer
    x = 90,282.19

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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.