Home / 99,016.92-136,695.87-76,306.14

Finding the Fourth Proportional to 99,016.92, 136,695.87 and 76,306.14

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Solution

The fourth proportional to 99,016.92, 136,695.87 and 76,306.14 is: 105,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,016.92 : 136,695.87 = 76,306.14 : x
  2. Step 2: Convert to fraction form
    99,016.92/136,695.87 = 76,306.14/x
  3. Step 3: Cross multiply
    99,016.92x = 136,695.87 × 76,306.14
  4. Step 4: Simplify right side
    99,016.92x = 10,430,734,193.64
  5. Step 5: Solve for x
    x = 10,430,734,193.64/99,016.92
  6. Step 6: Final answer
    x = 105,342.95

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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.