Home / 116,867.20-175,099.20-54,409.60

Finding the Fourth Proportional to 116,867.20, 175,099.20 and 54,409.60

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Solution

The fourth proportional to 116,867.20, 175,099.20 and 54,409.60 is: 81,520.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,867.20 : 175,099.20 = 54,409.60 : x
  2. Step 2: Convert to fraction form
    116,867.20/175,099.20 = 54,409.60/x
  3. Step 3: Cross multiply
    116,867.20x = 175,099.20 × 54,409.60
  4. Step 4: Simplify right side
    116,867.20x = 9,527,077,432.32
  5. Step 5: Solve for x
    x = 9,527,077,432.32/116,867.20
  6. Step 6: Final answer
    x = 81,520.54

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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.