Home / 80,645.72-111,292.38-44,348.67

Finding the Fourth Proportional to 80,645.72, 111,292.38 and 44,348.67

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Solution

The fourth proportional to 80,645.72, 111,292.38 and 44,348.67 is: 61,201.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,645.72 : 111,292.38 = 44,348.67 : x
  2. Step 2: Convert to fraction form
    80,645.72/111,292.38 = 44,348.67/x
  3. Step 3: Cross multiply
    80,645.72x = 111,292.38 × 44,348.67
  4. Step 4: Simplify right side
    80,645.72x = 4,935,669,034.13
  5. Step 5: Solve for x
    x = 4,935,669,034.13/80,645.72
  6. Step 6: Final answer
    x = 61,201.88

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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.