Home / 89,787.88-123,861.75-68,530.24

Finding the Fourth Proportional to 89,787.88, 123,861.75 and 68,530.24

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Solution

The fourth proportional to 89,787.88, 123,861.75 and 68,530.24 is: 94,536.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,787.88 : 123,861.75 = 68,530.24 : x
  2. Step 2: Convert to fraction form
    89,787.88/123,861.75 = 68,530.24/x
  3. Step 3: Cross multiply
    89,787.88x = 123,861.75 × 68,530.24
  4. Step 4: Simplify right side
    89,787.88x = 8,488,275,454.32
  5. Step 5: Solve for x
    x = 8,488,275,454.32/89,787.88
  6. Step 6: Final answer
    x = 94,536.98

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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.