Home / 66,134.27-99,170.15-25,626.76

Finding the Fourth Proportional to 66,134.27, 99,170.15 and 25,626.76

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Solution

The fourth proportional to 66,134.27, 99,170.15 and 25,626.76 is: 38,428.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.27 : 99,170.15 = 25,626.76 : x
  2. Step 2: Convert to fraction form
    66,134.27/99,170.15 = 25,626.76/x
  3. Step 3: Cross multiply
    66,134.27x = 99,170.15 × 25,626.76
  4. Step 4: Simplify right side
    66,134.27x = 2,541,409,009.23
  5. Step 5: Solve for x
    x = 2,541,409,009.23/66,134.27
  6. Step 6: Final answer
    x = 38,428.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.