Home / 89,096.96-122,673.28-75,641.60

Finding the Fourth Proportional to 89,096.96, 122,673.28 and 75,641.60

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Solution

The fourth proportional to 89,096.96, 122,673.28 and 75,641.60 is: 104,147.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,096.96 : 122,673.28 = 75,641.60 : x
  2. Step 2: Convert to fraction form
    89,096.96/122,673.28 = 75,641.60/x
  3. Step 3: Cross multiply
    89,096.96x = 122,673.28 × 75,641.60
  4. Step 4: Simplify right side
    89,096.96x = 9,279,203,176.45
  5. Step 5: Solve for x
    x = 9,279,203,176.45/89,096.96
  6. Step 6: Final answer
    x = 104,147.25

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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.