Home / 80,623.04-120,947.08-41,158.80

Finding the Fourth Proportional to 80,623.04, 120,947.08 and 41,158.80

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Solution

The fourth proportional to 80,623.04, 120,947.08 and 41,158.80 is: 61,744.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,623.04 : 120,947.08 = 41,158.80 : x
  2. Step 2: Convert to fraction form
    80,623.04/120,947.08 = 41,158.80/x
  3. Step 3: Cross multiply
    80,623.04x = 120,947.08 × 41,158.80
  4. Step 4: Simplify right side
    80,623.04x = 4,978,036,676.30
  5. Step 5: Solve for x
    x = 4,978,036,676.30/80,623.04
  6. Step 6: Final answer
    x = 61,744.59

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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.