Home / 98,906.31-136,481.88-58,613.25

Finding the Fourth Proportional to 98,906.31, 136,481.88 and 58,613.25

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Solution

The fourth proportional to 98,906.31, 136,481.88 and 58,613.25 is: 80,881.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,906.31 : 136,481.88 = 58,613.25 : x
  2. Step 2: Convert to fraction form
    98,906.31/136,481.88 = 58,613.25/x
  3. Step 3: Cross multiply
    98,906.31x = 136,481.88 × 58,613.25
  4. Step 4: Simplify right side
    98,906.31x = 7,999,646,552.91
  5. Step 5: Solve for x
    x = 7,999,646,552.91/98,906.31
  6. Step 6: Final answer
    x = 80,881.05

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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.