Home / 47,031.20-70,546.80-36,650.72

Finding the Fourth Proportional to 47,031.20, 70,546.80 and 36,650.72

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Solution

The fourth proportional to 47,031.20, 70,546.80 and 36,650.72 is: 54,976.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,031.20 : 70,546.80 = 36,650.72 : x
  2. Step 2: Convert to fraction form
    47,031.20/70,546.80 = 36,650.72/x
  3. Step 3: Cross multiply
    47,031.20x = 70,546.80 × 36,650.72
  4. Step 4: Simplify right side
    47,031.20x = 2,585,591,013.70
  5. Step 5: Solve for x
    x = 2,585,591,013.70/47,031.20
  6. Step 6: Final answer
    x = 54,976.08

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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.