Home / 80,252.06-120,306.50-38,106.14

Finding the Fourth Proportional to 80,252.06, 120,306.50 and 38,106.14

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Solution

The fourth proportional to 80,252.06, 120,306.50 and 38,106.14 is: 57,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,252.06 : 120,306.50 = 38,106.14 : x
  2. Step 2: Convert to fraction form
    80,252.06/120,306.50 = 38,106.14/x
  3. Step 3: Cross multiply
    80,252.06x = 120,306.50 × 38,106.14
  4. Step 4: Simplify right side
    80,252.06x = 4,584,416,331.91
  5. Step 5: Solve for x
    x = 4,584,416,331.91/80,252.06
  6. Step 6: Final answer
    x = 57,125.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.