Home / 80,720.92-111,392.06-44,418.96

Finding the Fourth Proportional to 80,720.92, 111,392.06 and 44,418.96

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Solution

The fourth proportional to 80,720.92, 111,392.06 and 44,418.96 is: 61,296.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,720.92 : 111,392.06 = 44,418.96 : x
  2. Step 2: Convert to fraction form
    80,720.92/111,392.06 = 44,418.96/x
  3. Step 3: Cross multiply
    80,720.92x = 111,392.06 × 44,418.96
  4. Step 4: Simplify right side
    80,720.92x = 4,947,919,457.46
  5. Step 5: Solve for x
    x = 4,947,919,457.46/80,720.92
  6. Step 6: Final answer
    x = 61,296.62

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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.