Home / 87,711.48-121,097.19-60,844.59

Finding the Fourth Proportional to 87,711.48, 121,097.19 and 60,844.59

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Solution

The fourth proportional to 87,711.48, 121,097.19 and 60,844.59 is: 84,003.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,711.48 : 121,097.19 = 60,844.59 : x
  2. Step 2: Convert to fraction form
    87,711.48/121,097.19 = 60,844.59/x
  3. Step 3: Cross multiply
    87,711.48x = 121,097.19 × 60,844.59
  4. Step 4: Simplify right side
    87,711.48x = 7,368,108,875.70
  5. Step 5: Solve for x
    x = 7,368,108,875.70/87,711.48
  6. Step 6: Final answer
    x = 84,003.93

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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.