Home / 47,321.32-71,031.20-34,855.42

Finding the Fourth Proportional to 47,321.32, 71,031.20 and 34,855.42

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Solution

The fourth proportional to 47,321.32, 71,031.20 and 34,855.42 is: 52,319.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,321.32 : 71,031.20 = 34,855.42 : x
  2. Step 2: Convert to fraction form
    47,321.32/71,031.20 = 34,855.42/x
  3. Step 3: Cross multiply
    47,321.32x = 71,031.20 × 34,855.42
  4. Step 4: Simplify right side
    47,321.32x = 2,475,822,309.10
  5. Step 5: Solve for x
    x = 2,475,822,309.10/47,321.32
  6. Step 6: Final answer
    x = 52,319.38

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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.