Home / 47,144.61-70,721.18-15,554.76

Finding the Fourth Proportional to 47,144.61, 70,721.18 and 15,554.76

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Solution

The fourth proportional to 47,144.61, 70,721.18 and 15,554.76 is: 23,333.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,144.61 : 70,721.18 = 15,554.76 : x
  2. Step 2: Convert to fraction form
    47,144.61/70,721.18 = 15,554.76/x
  3. Step 3: Cross multiply
    47,144.61x = 70,721.18 × 15,554.76
  4. Step 4: Simplify right side
    47,144.61x = 1,100,050,843.90
  5. Step 5: Solve for x
    x = 1,100,050,843.90/47,144.61
  6. Step 6: Final answer
    x = 23,333.55

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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.