Home / 98,989.32-136,625.11-58,725.44

Finding the Fourth Proportional to 98,989.32, 136,625.11 and 58,725.44

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Solution

The fourth proportional to 98,989.32, 136,625.11 and 58,725.44 is: 81,052.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,989.32 : 136,625.11 = 58,725.44 : x
  2. Step 2: Convert to fraction form
    98,989.32/136,625.11 = 58,725.44/x
  3. Step 3: Cross multiply
    98,989.32x = 136,625.11 × 58,725.44
  4. Step 4: Simplify right side
    98,989.32x = 8,023,369,699.80
  5. Step 5: Solve for x
    x = 8,023,369,699.80/98,989.32
  6. Step 6: Final answer
    x = 81,052.88

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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.