Home / 88,945.72-122,744.10-48,660.64

Finding the Fourth Proportional to 88,945.72, 122,744.10 and 48,660.64

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Solution

The fourth proportional to 88,945.72, 122,744.10 and 48,660.64 is: 67,151.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,945.72 : 122,744.10 = 48,660.64 : x
  2. Step 2: Convert to fraction form
    88,945.72/122,744.10 = 48,660.64/x
  3. Step 3: Cross multiply
    88,945.72x = 122,744.10 × 48,660.64
  4. Step 4: Simplify right side
    88,945.72x = 5,972,806,462.22
  5. Step 5: Solve for x
    x = 5,972,806,462.22/88,945.72
  6. Step 6: Final answer
    x = 67,151.14

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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.