Home / 89,701.43-123,793.58-49,415.19

Finding the Fourth Proportional to 89,701.43, 123,793.58 and 49,415.19

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Solution

The fourth proportional to 89,701.43, 123,793.58 and 49,415.19 is: 68,196.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,701.43 : 123,793.58 = 49,415.19 : x
  2. Step 2: Convert to fraction form
    89,701.43/123,793.58 = 49,415.19/x
  3. Step 3: Cross multiply
    89,701.43x = 123,793.58 × 49,415.19
  4. Step 4: Simplify right side
    89,701.43x = 6,117,283,105.11
  5. Step 5: Solve for x
    x = 6,117,283,105.11/89,701.43
  6. Step 6: Final answer
    x = 68,196.05

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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.