Home / 89,040.75-122,879.54-50,806.52

Finding the Fourth Proportional to 89,040.75, 122,879.54 and 50,806.52

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Solution

The fourth proportional to 89,040.75, 122,879.54 and 50,806.52 is: 70,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,040.75 : 122,879.54 = 50,806.52 : x
  2. Step 2: Convert to fraction form
    89,040.75/122,879.54 = 50,806.52/x
  3. Step 3: Cross multiply
    89,040.75x = 122,879.54 × 50,806.52
  4. Step 4: Simplify right side
    89,040.75x = 6,243,080,938.17
  5. Step 5: Solve for x
    x = 6,243,080,938.17/89,040.75
  6. Step 6: Final answer
    x = 70,114.88

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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.