Home / 47,437.76-71,156.57-12,377.42

Finding the Fourth Proportional to 47,437.76, 71,156.57 and 12,377.42

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Solution

The fourth proportional to 47,437.76, 71,156.57 and 12,377.42 is: 18,566.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,437.76 : 71,156.57 = 12,377.42 : x
  2. Step 2: Convert to fraction form
    47,437.76/71,156.57 = 12,377.42/x
  3. Step 3: Cross multiply
    47,437.76x = 71,156.57 × 12,377.42
  4. Step 4: Simplify right side
    47,437.76x = 880,734,868.65
  5. Step 5: Solve for x
    x = 880,734,868.65/47,437.76
  6. Step 6: Final answer
    x = 18,566.11

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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.