Home / 100,261.27-138,356.49-59,951.26

Finding the Fourth Proportional to 100,261.27, 138,356.49 and 59,951.26

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Solution

The fourth proportional to 100,261.27, 138,356.49 and 59,951.26 is: 82,730.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,261.27 : 138,356.49 = 59,951.26 : x
  2. Step 2: Convert to fraction form
    100,261.27/138,356.49 = 59,951.26/x
  3. Step 3: Cross multiply
    100,261.27x = 138,356.49 × 59,951.26
  4. Step 4: Simplify right side
    100,261.27x = 8,294,645,904.68
  5. Step 5: Solve for x
    x = 8,294,645,904.68/100,261.27
  6. Step 6: Final answer
    x = 82,730.31

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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.