Home / 90,516.29-135,781.09-23,955.96

Finding the Fourth Proportional to 90,516.29, 135,781.09 and 23,955.96

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Solution

The fourth proportional to 90,516.29, 135,781.09 and 23,955.96 is: 35,935.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,516.29 : 135,781.09 = 23,955.96 : x
  2. Step 2: Convert to fraction form
    90,516.29/135,781.09 = 23,955.96/x
  3. Step 3: Cross multiply
    90,516.29x = 135,781.09 × 23,955.96
  4. Step 4: Simplify right side
    90,516.29x = 3,252,766,300.91
  5. Step 5: Solve for x
    x = 3,252,766,300.91/90,516.29
  6. Step 6: Final answer
    x = 35,935.70

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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.