Home / 80,777.43-121,166.19-36,352.29

Finding the Fourth Proportional to 80,777.43, 121,166.19 and 36,352.29

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Solution

The fourth proportional to 80,777.43, 121,166.19 and 36,352.29 is: 54,528.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,777.43 : 121,166.19 = 36,352.29 : x
  2. Step 2: Convert to fraction form
    80,777.43/121,166.19 = 36,352.29/x
  3. Step 3: Cross multiply
    80,777.43x = 121,166.19 × 36,352.29
  4. Step 4: Simplify right side
    80,777.43x = 4,404,668,477.08
  5. Step 5: Solve for x
    x = 4,404,668,477.08/80,777.43
  6. Step 6: Final answer
    x = 54,528.46

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Similar ratio
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1.5x scale

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.