Home / 141,821.87-212,758.10-47,057.73

Finding the Fourth Proportional to 141,821.87, 212,758.10 and 47,057.73

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Solution

The fourth proportional to 141,821.87, 212,758.10 and 47,057.73 is: 70,594.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,821.87 : 212,758.10 = 47,057.73 : x
  2. Step 2: Convert to fraction form
    141,821.87/212,758.10 = 47,057.73/x
  3. Step 3: Cross multiply
    141,821.87x = 212,758.10 × 47,057.73
  4. Step 4: Simplify right side
    141,821.87x = 10,011,912,989.82
  5. Step 5: Solve for x
    x = 10,011,912,989.82/141,821.87
  6. Step 6: Final answer
    x = 70,594.99

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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.