Home / 89,265.90-123,188.22-48,978.93

Finding the Fourth Proportional to 89,265.90, 123,188.22 and 48,978.93

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Solution

The fourth proportional to 89,265.90, 123,188.22 and 48,978.93 is: 67,591.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,265.90 : 123,188.22 = 48,978.93 : x
  2. Step 2: Convert to fraction form
    89,265.90/123,188.22 = 48,978.93/x
  3. Step 3: Cross multiply
    89,265.90x = 123,188.22 × 48,978.93
  4. Step 4: Simplify right side
    89,265.90x = 6,033,627,204.20
  5. Step 5: Solve for x
    x = 6,033,627,204.20/89,265.90
  6. Step 6: Final answer
    x = 67,591.62

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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.