Home / 89,041.39-122,877.10-48,755.15

Finding the Fourth Proportional to 89,041.39, 122,877.10 and 48,755.15

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Solution

The fourth proportional to 89,041.39, 122,877.10 and 48,755.15 is: 67,282.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,041.39 : 122,877.10 = 48,755.15 : x
  2. Step 2: Convert to fraction form
    89,041.39/122,877.10 = 48,755.15/x
  3. Step 3: Cross multiply
    89,041.39x = 122,877.10 × 48,755.15
  4. Step 4: Simplify right side
    89,041.39x = 5,990,890,827.68
  5. Step 5: Solve for x
    x = 5,990,890,827.68/89,041.39
  6. Step 6: Final answer
    x = 67,282.09

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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.