Home / 47,177.80-65,060.79-31,016.56

Finding the Fourth Proportional to 47,177.80, 65,060.79 and 31,016.56

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Solution

The fourth proportional to 47,177.80, 65,060.79 and 31,016.56 is: 42,773.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,177.80 : 65,060.79 = 31,016.56 : x
  2. Step 2: Convert to fraction form
    47,177.80/65,060.79 = 31,016.56/x
  3. Step 3: Cross multiply
    47,177.80x = 65,060.79 × 31,016.56
  4. Step 4: Simplify right side
    47,177.80x = 2,017,961,896.68
  5. Step 5: Solve for x
    x = 2,017,961,896.68/47,177.80
  6. Step 6: Final answer
    x = 42,773.55

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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.