Home / 80,888.22-111,625.83-45,077.43

Finding the Fourth Proportional to 80,888.22, 111,625.83 and 45,077.43

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Solution

The fourth proportional to 80,888.22, 111,625.83 and 45,077.43 is: 62,206.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,888.22 : 111,625.83 = 45,077.43 : x
  2. Step 2: Convert to fraction form
    80,888.22/111,625.83 = 45,077.43/x
  3. Step 3: Cross multiply
    80,888.22x = 111,625.83 × 45,077.43
  4. Step 4: Simplify right side
    80,888.22x = 5,031,805,538.02
  5. Step 5: Solve for x
    x = 5,031,805,538.02/80,888.22
  6. Step 6: Final answer
    x = 62,206.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.