Home / 107,920.20-148,922.88-60,170.70

Finding the Fourth Proportional to 107,920.20, 148,922.88 and 60,170.70

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Solution

The fourth proportional to 107,920.20, 148,922.88 and 60,170.70 is: 83,031.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,920.20 : 148,922.88 = 60,170.70 : x
  2. Step 2: Convert to fraction form
    107,920.20/148,922.88 = 60,170.70/x
  3. Step 3: Cross multiply
    107,920.20x = 148,922.88 × 60,170.70
  4. Step 4: Simplify right side
    107,920.20x = 8,960,793,935.62
  5. Step 5: Solve for x
    x = 8,960,793,935.62/107,920.20
  6. Step 6: Final answer
    x = 83,031.67

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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.