Home / 81,475.44-122,329.80-60,480.24

Finding the Fourth Proportional to 81,475.44, 122,329.80 and 60,480.24

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Solution

The fourth proportional to 81,475.44, 122,329.80 and 60,480.24 is: 90,806.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,475.44 : 122,329.80 = 60,480.24 : x
  2. Step 2: Convert to fraction form
    81,475.44/122,329.80 = 60,480.24/x
  3. Step 3: Cross multiply
    81,475.44x = 122,329.80 × 60,480.24
  4. Step 4: Simplify right side
    81,475.44x = 7,398,535,663.15
  5. Step 5: Solve for x
    x = 7,398,535,663.15/81,475.44
  6. Step 6: Final answer
    x = 90,806.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.