Home / 80,867.50-111,599.31-45,059.02

Finding the Fourth Proportional to 80,867.50, 111,599.31 and 45,059.02

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Solution

The fourth proportional to 80,867.50, 111,599.31 and 45,059.02 is: 62,182.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,867.50 : 111,599.31 = 45,059.02 : x
  2. Step 2: Convert to fraction form
    80,867.50/111,599.31 = 45,059.02/x
  3. Step 3: Cross multiply
    80,867.50x = 111,599.31 × 45,059.02
  4. Step 4: Simplify right side
    80,867.50x = 5,028,555,541.28
  5. Step 5: Solve for x
    x = 5,028,555,541.28/80,867.50
  6. Step 6: Final answer
    x = 62,182.65

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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.