Home / 92,591.04-138,877.92-45,874.56

Finding the Fourth Proportional to 92,591.04, 138,877.92 and 45,874.56

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Solution

The fourth proportional to 92,591.04, 138,877.92 and 45,874.56 is: 68,807.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,591.04 : 138,877.92 = 45,874.56 : x
  2. Step 2: Convert to fraction form
    92,591.04/138,877.92 = 45,874.56/x
  3. Step 3: Cross multiply
    92,591.04x = 138,877.92 × 45,874.56
  4. Step 4: Simplify right side
    92,591.04x = 6,370,963,473.72
  5. Step 5: Solve for x
    x = 6,370,963,473.72/92,591.04
  6. Step 6: Final answer
    x = 68,807.56

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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.