Home / 47,170.98-65,122.92-31,277.03

Finding the Fourth Proportional to 47,170.98, 65,122.92 and 31,277.03

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Solution

The fourth proportional to 47,170.98, 65,122.92 and 31,277.03 is: 43,180.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,170.98 : 65,122.92 = 31,277.03 : x
  2. Step 2: Convert to fraction form
    47,170.98/65,122.92 = 31,277.03/x
  3. Step 3: Cross multiply
    47,170.98x = 65,122.92 × 31,277.03
  4. Step 4: Simplify right side
    47,170.98x = 2,036,851,196.91
  5. Step 5: Solve for x
    x = 2,036,851,196.91/47,170.98
  6. Step 6: Final answer
    x = 43,180.18

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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.