Home / 47,870.88-66,065.40-27,733.20

Finding the Fourth Proportional to 47,870.88, 66,065.40 and 27,733.20

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Solution

The fourth proportional to 47,870.88, 66,065.40 and 27,733.20 is: 38,273.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870.88 : 66,065.40 = 27,733.20 : x
  2. Step 2: Convert to fraction form
    47,870.88/66,065.40 = 27,733.20/x
  3. Step 3: Cross multiply
    47,870.88x = 66,065.40 × 27,733.20
  4. Step 4: Simplify right side
    47,870.88x = 1,832,204,951.28
  5. Step 5: Solve for x
    x = 1,832,204,951.28/47,870.88
  6. Step 6: Final answer
    x = 38,273.89

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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.