Home / 47,286.20-70,929.30-38,829.80

Finding the Fourth Proportional to 47,286.20, 70,929.30 and 38,829.80

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Solution

The fourth proportional to 47,286.20, 70,929.30 and 38,829.80 is: 58,244.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,286.20 : 70,929.30 = 38,829.80 : x
  2. Step 2: Convert to fraction form
    47,286.20/70,929.30 = 38,829.80/x
  3. Step 3: Cross multiply
    47,286.20x = 70,929.30 × 38,829.80
  4. Step 4: Simplify right side
    47,286.20x = 2,754,170,533.14
  5. Step 5: Solve for x
    x = 2,754,170,533.14/47,286.20
  6. Step 6: Final answer
    x = 58,244.70

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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.