Home / 80,350.47-120,549.27-35,967.34

Finding the Fourth Proportional to 80,350.47, 120,549.27 and 35,967.34

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Solution

The fourth proportional to 80,350.47, 120,549.27 and 35,967.34 is: 53,961.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,350.47 : 120,549.27 = 35,967.34 : x
  2. Step 2: Convert to fraction form
    80,350.47/120,549.27 = 35,967.34/x
  3. Step 3: Cross multiply
    80,350.47x = 120,549.27 × 35,967.34
  4. Step 4: Simplify right side
    80,350.47x = 4,335,836,580.84
  5. Step 5: Solve for x
    x = 4,335,836,580.84/80,350.47
  6. Step 6: Final answer
    x = 53,961.56

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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.