Home / 91,293.11-136,881.03-38,022.02

Finding the Fourth Proportional to 91,293.11, 136,881.03 and 38,022.02

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Solution

The fourth proportional to 91,293.11, 136,881.03 and 38,022.02 is: 57,008.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,293.11 : 136,881.03 = 38,022.02 : x
  2. Step 2: Convert to fraction form
    91,293.11/136,881.03 = 38,022.02/x
  3. Step 3: Cross multiply
    91,293.11x = 136,881.03 × 38,022.02
  4. Step 4: Simplify right side
    91,293.11x = 5,204,493,260.28
  5. Step 5: Solve for x
    x = 5,204,493,260.28/91,293.11
  6. Step 6: Final answer
    x = 57,008.61

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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.