Home / 100,049.24-138,110.46-62,342.12

Finding the Fourth Proportional to 100,049.24, 138,110.46 and 62,342.12

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Solution

The fourth proportional to 100,049.24, 138,110.46 and 62,342.12 is: 86,058.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,049.24 : 138,110.46 = 62,342.12 : x
  2. Step 2: Convert to fraction form
    100,049.24/138,110.46 = 62,342.12/x
  3. Step 3: Cross multiply
    100,049.24x = 138,110.46 × 62,342.12
  4. Step 4: Simplify right side
    100,049.24x = 8,610,098,870.58
  5. Step 5: Solve for x
    x = 8,610,098,870.58/100,049.24
  6. Step 6: Final answer
    x = 86,058.61

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1.5x scale

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.