Home / 47,500.97-65,522.78-31,368.43

Finding the Fourth Proportional to 47,500.97, 65,522.78 and 31,368.43

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Solution

The fourth proportional to 47,500.97, 65,522.78 and 31,368.43 is: 43,269.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,500.97 : 65,522.78 = 31,368.43 : x
  2. Step 2: Convert to fraction form
    47,500.97/65,522.78 = 31,368.43/x
  3. Step 3: Cross multiply
    47,500.97x = 65,522.78 × 31,368.43
  4. Step 4: Simplify right side
    47,500.97x = 2,055,346,780.53
  5. Step 5: Solve for x
    x = 2,055,346,780.53/47,500.97
  6. Step 6: Final answer
    x = 43,269.58

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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.