Home / 89,021.16-122,845.50-48,733.92

Finding the Fourth Proportional to 89,021.16, 122,845.50 and 48,733.92

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Solution

The fourth proportional to 89,021.16, 122,845.50 and 48,733.92 is: 67,250.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,021.16 : 122,845.50 = 48,733.92 : x
  2. Step 2: Convert to fraction form
    89,021.16/122,845.50 = 48,733.92/x
  3. Step 3: Cross multiply
    89,021.16x = 122,845.50 × 48,733.92
  4. Step 4: Simplify right side
    89,021.16x = 5,986,742,769.36
  5. Step 5: Solve for x
    x = 5,986,742,769.36/89,021.16
  6. Step 6: Final answer
    x = 67,250.78

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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.