Home / 87,706.41-121,090.19-60,839.52

Finding the Fourth Proportional to 87,706.41, 121,090.19 and 60,839.52

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Solution

The fourth proportional to 87,706.41, 121,090.19 and 60,839.52 is: 83,996.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,706.41 : 121,090.19 = 60,839.52 : x
  2. Step 2: Convert to fraction form
    87,706.41/121,090.19 = 60,839.52/x
  3. Step 3: Cross multiply
    87,706.41x = 121,090.19 × 60,839.52
  4. Step 4: Simplify right side
    87,706.41x = 7,367,069,036.31
  5. Step 5: Solve for x
    x = 7,367,069,036.31/87,706.41
  6. Step 6: Final answer
    x = 83,996.93

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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.