Home / 75,306.48-103,923-41,772.72

Finding the Fourth Proportional to 75,306.48, 103,923 and 41,772.72

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Solution

The fourth proportional to 75,306.48, 103,923 and 41,772.72 is: 57,646.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,306.48 : 103,923 = 41,772.72 : x
  2. Step 2: Convert to fraction form
    75,306.48/103,923 = 41,772.72/x
  3. Step 3: Cross multiply
    75,306.48x = 103,923 × 41,772.72
  4. Step 4: Simplify right side
    75,306.48x = 4,341,146,380.56
  5. Step 5: Solve for x
    x = 4,341,146,380.56/75,306.48
  6. Step 6: Final answer
    x = 57,646.39

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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.