Home / 68,943.78-95,152.68-42,101.85

Finding the Fourth Proportional to 68,943.78, 95,152.68 and 42,101.85

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Solution

The fourth proportional to 68,943.78, 95,152.68 and 42,101.85 is: 58,106.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,943.78 : 95,152.68 = 42,101.85 : x
  2. Step 2: Convert to fraction form
    68,943.78/95,152.68 = 42,101.85/x
  3. Step 3: Cross multiply
    68,943.78x = 95,152.68 × 42,101.85
  4. Step 4: Simplify right side
    68,943.78x = 4,006,103,860.46
  5. Step 5: Solve for x
    x = 4,006,103,860.46/68,943.78
  6. Step 6: Final answer
    x = 58,106.82

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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.