Home / 47,792.12-65,956.82-28,672.61

Finding the Fourth Proportional to 47,792.12, 65,956.82 and 28,672.61

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Solution

The fourth proportional to 47,792.12, 65,956.82 and 28,672.61 is: 39,570.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,792.12 : 65,956.82 = 28,672.61 : x
  2. Step 2: Convert to fraction form
    47,792.12/65,956.82 = 28,672.61/x
  3. Step 3: Cross multiply
    47,792.12x = 65,956.82 × 28,672.61
  4. Step 4: Simplify right side
    47,792.12x = 1,891,154,176.70
  5. Step 5: Solve for x
    x = 1,891,154,176.70/47,792.12
  6. Step 6: Final answer
    x = 39,570.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.