Home / 47,729.12-65,839.65-44,350.21

Finding the Fourth Proportional to 47,729.12, 65,839.65 and 44,350.21

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Solution

The fourth proportional to 47,729.12, 65,839.65 and 44,350.21 is: 61,178.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,729.12 : 65,839.65 = 44,350.21 : x
  2. Step 2: Convert to fraction form
    47,729.12/65,839.65 = 44,350.21/x
  3. Step 3: Cross multiply
    47,729.12x = 65,839.65 × 44,350.21
  4. Step 4: Simplify right side
    47,729.12x = 2,920,001,974.63
  5. Step 5: Solve for x
    x = 2,920,001,974.63/47,729.12
  6. Step 6: Final answer
    x = 61,178.63

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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.