Home / 91,532.82-126,250.07-84,003.47

Finding the Fourth Proportional to 91,532.82, 126,250.07 and 84,003.47

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Solution

The fourth proportional to 91,532.82, 126,250.07 and 84,003.47 is: 115,864.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,532.82 : 126,250.07 = 84,003.47 : x
  2. Step 2: Convert to fraction form
    91,532.82/126,250.07 = 84,003.47/x
  3. Step 3: Cross multiply
    91,532.82x = 126,250.07 × 84,003.47
  4. Step 4: Simplify right side
    91,532.82x = 10,605,442,916.48
  5. Step 5: Solve for x
    x = 10,605,442,916.48/91,532.82
  6. Step 6: Final answer
    x = 115,864.92

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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.