Home / 80,412.20-120,596.70-33,655.40

Finding the Fourth Proportional to 80,412.20, 120,596.70 and 33,655.40

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Solution

The fourth proportional to 80,412.20, 120,596.70 and 33,655.40 is: 50,474.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,412.20 : 120,596.70 = 33,655.40 : x
  2. Step 2: Convert to fraction form
    80,412.20/120,596.70 = 33,655.40/x
  3. Step 3: Cross multiply
    80,412.20x = 120,596.70 × 33,655.40
  4. Step 4: Simplify right side
    80,412.20x = 4,058,730,177.18
  5. Step 5: Solve for x
    x = 4,058,730,177.18/80,412.20
  6. Step 6: Final answer
    x = 50,474.06

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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.