Home / 80,150.13-120,266.55-35,203.01

Finding the Fourth Proportional to 80,150.13, 120,266.55 and 35,203.01

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Solution

The fourth proportional to 80,150.13, 120,266.55 and 35,203.01 is: 52,822.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,150.13 : 120,266.55 = 35,203.01 : x
  2. Step 2: Convert to fraction form
    80,150.13/120,266.55 = 35,203.01/x
  3. Step 3: Cross multiply
    80,150.13x = 120,266.55 × 35,203.01
  4. Step 4: Simplify right side
    80,150.13x = 4,233,744,623.04
  5. Step 5: Solve for x
    x = 4,233,744,623.04/80,150.13
  6. Step 6: Final answer
    x = 52,822.68

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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.