Home / 80,833.56-121,253.60-41,380.08

Finding the Fourth Proportional to 80,833.56, 121,253.60 and 41,380.08

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Solution

The fourth proportional to 80,833.56, 121,253.60 and 41,380.08 is: 62,071.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,833.56 : 121,253.60 = 41,380.08 : x
  2. Step 2: Convert to fraction form
    80,833.56/121,253.60 = 41,380.08/x
  3. Step 3: Cross multiply
    80,833.56x = 121,253.60 × 41,380.08
  4. Step 4: Simplify right side
    80,833.56x = 5,017,483,668.29
  5. Step 5: Solve for x
    x = 5,017,483,668.29/80,833.56
  6. Step 6: Final answer
    x = 62,071.79

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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.