Home / 83,486.08-125,090.56-60,077.44

Finding the Fourth Proportional to 83,486.08, 125,090.56 and 60,077.44

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Solution

The fourth proportional to 83,486.08, 125,090.56 and 60,077.44 is: 90,016.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,486.08 : 125,090.56 = 60,077.44 : x
  2. Step 2: Convert to fraction form
    83,486.08/125,090.56 = 60,077.44/x
  3. Step 3: Cross multiply
    83,486.08x = 125,090.56 × 60,077.44
  4. Step 4: Simplify right side
    83,486.08x = 7,515,120,612.97
  5. Step 5: Solve for x
    x = 7,515,120,612.97/83,486.08
  6. Step 6: Final answer
    x = 90,016.45

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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.