Home / 99,404.49-136,989.22-71,060.97

Finding the Fourth Proportional to 99,404.49, 136,989.22 and 71,060.97

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Solution

The fourth proportional to 99,404.49, 136,989.22 and 71,060.97 is: 97,929.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,404.49 : 136,989.22 = 71,060.97 : x
  2. Step 2: Convert to fraction form
    99,404.49/136,989.22 = 71,060.97/x
  3. Step 3: Cross multiply
    99,404.49x = 136,989.22 × 71,060.97
  4. Step 4: Simplify right side
    99,404.49x = 9,734,586,852.74
  5. Step 5: Solve for x
    x = 9,734,586,852.74/99,404.49
  6. Step 6: Final answer
    x = 97,929.05

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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.