Home / 89,202.12-123,100.61-48,913.48

Finding the Fourth Proportional to 89,202.12, 123,100.61 and 48,913.48

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Solution

The fourth proportional to 89,202.12, 123,100.61 and 48,913.48 is: 67,501.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,202.12 : 123,100.61 = 48,913.48 : x
  2. Step 2: Convert to fraction form
    89,202.12/123,100.61 = 48,913.48/x
  3. Step 3: Cross multiply
    89,202.12x = 123,100.61 × 48,913.48
  4. Step 4: Simplify right side
    89,202.12x = 6,021,278,948.04
  5. Step 5: Solve for x
    x = 6,021,278,948.04/89,202.12
  6. Step 6: Final answer
    x = 67,501.52

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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.