Home / 89,029.92-122,861.29-48,743.68

Finding the Fourth Proportional to 89,029.92, 122,861.29 and 48,743.68

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Solution

The fourth proportional to 89,029.92, 122,861.29 and 48,743.68 is: 67,266.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,029.92 : 122,861.29 = 48,743.68 : x
  2. Step 2: Convert to fraction form
    89,029.92/122,861.29 = 48,743.68/x
  3. Step 3: Cross multiply
    89,029.92x = 122,861.29 × 48,743.68
  4. Step 4: Simplify right side
    89,029.92x = 5,988,711,628.27
  5. Step 5: Solve for x
    x = 5,988,711,628.27/89,029.92
  6. Step 6: Final answer
    x = 67,266.28

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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.