Home / 102,789.20-154,184.28-32,675.60

Finding the Fourth Proportional to 102,789.20, 154,184.28 and 32,675.60

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Solution

The fourth proportional to 102,789.20, 154,184.28 and 32,675.60 is: 49,013.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,789.20 : 154,184.28 = 32,675.60 : x
  2. Step 2: Convert to fraction form
    102,789.20/154,184.28 = 32,675.60/x
  3. Step 3: Cross multiply
    102,789.20x = 154,184.28 × 32,675.60
  4. Step 4: Simplify right side
    102,789.20x = 5,038,063,859.57
  5. Step 5: Solve for x
    x = 5,038,063,859.57/102,789.20
  6. Step 6: Final answer
    x = 49,013.55

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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.