Home / 68,845.20-103,278.56-29,402.52

Finding the Fourth Proportional to 68,845.20, 103,278.56 and 29,402.52

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Solution

The fourth proportional to 68,845.20, 103,278.56 and 29,402.52 is: 44,108.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,845.20 : 103,278.56 = 29,402.52 : x
  2. Step 2: Convert to fraction form
    68,845.20/103,278.56 = 29,402.52/x
  3. Step 3: Cross multiply
    68,845.20x = 103,278.56 × 29,402.52
  4. Step 4: Simplify right side
    68,845.20x = 3,036,649,925.97
  5. Step 5: Solve for x
    x = 3,036,649,925.97/68,845.20
  6. Step 6: Final answer
    x = 44,108.38

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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.