Home / 89,188.43-123,079.16-48,902.11

Finding the Fourth Proportional to 89,188.43, 123,079.16 and 48,902.11

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Solution

The fourth proportional to 89,188.43, 123,079.16 and 48,902.11 is: 67,484.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,188.43 : 123,079.16 = 48,902.11 : x
  2. Step 2: Convert to fraction form
    89,188.43/123,079.16 = 48,902.11/x
  3. Step 3: Cross multiply
    89,188.43x = 123,079.16 × 48,902.11
  4. Step 4: Simplify right side
    89,188.43x = 6,018,830,435.58
  5. Step 5: Solve for x
    x = 6,018,830,435.58/89,188.43
  6. Step 6: Final answer
    x = 67,484.43

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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.