Home / 80,452.13-120,698.09-56,806.01

Finding the Fourth Proportional to 80,452.13, 120,698.09 and 56,806.01

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Solution

The fourth proportional to 80,452.13, 120,698.09 and 56,806.01 is: 85,223.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,452.13 : 120,698.09 = 56,806.01 : x
  2. Step 2: Convert to fraction form
    80,452.13/120,698.09 = 56,806.01/x
  3. Step 3: Cross multiply
    80,452.13x = 120,698.09 × 56,806.01
  4. Step 4: Simplify right side
    80,452.13x = 6,856,376,233.02
  5. Step 5: Solve for x
    x = 6,856,376,233.02/80,452.13
  6. Step 6: Final answer
    x = 85,223.06

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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.