Home / 68,828.40-103,475.88-54,965.52

Finding the Fourth Proportional to 68,828.40, 103,475.88 and 54,965.52

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Solution

The fourth proportional to 68,828.40, 103,475.88 and 54,965.52 is: 82,634.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,828.40 : 103,475.88 = 54,965.52 : x
  2. Step 2: Convert to fraction form
    68,828.40/103,475.88 = 54,965.52/x
  3. Step 3: Cross multiply
    68,828.40x = 103,475.88 × 54,965.52
  4. Step 4: Simplify right side
    68,828.40x = 5,687,605,551.66
  5. Step 5: Solve for x
    x = 5,687,605,551.66/68,828.40
  6. Step 6: Final answer
    x = 82,634.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.