Home / 68,178.60-94,097.94-43,972.76

Finding the Fourth Proportional to 68,178.60, 94,097.94 and 43,972.76

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Solution

The fourth proportional to 68,178.60, 94,097.94 and 43,972.76 is: 60,689.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,178.60 : 94,097.94 = 43,972.76 : x
  2. Step 2: Convert to fraction form
    68,178.60/94,097.94 = 43,972.76/x
  3. Step 3: Cross multiply
    68,178.60x = 94,097.94 × 43,972.76
  4. Step 4: Simplify right side
    68,178.60x = 4,137,746,132.11
  5. Step 5: Solve for x
    x = 4,137,746,132.11/68,178.60
  6. Step 6: Final answer
    x = 60,689.81

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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.