Home / 80,532.66-111,140.06-44,722.92

Finding the Fourth Proportional to 80,532.66, 111,140.06 and 44,722.92

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Solution

The fourth proportional to 80,532.66, 111,140.06 and 44,722.92 is: 61,720.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,532.66 : 111,140.06 = 44,722.92 : x
  2. Step 2: Convert to fraction form
    80,532.66/111,140.06 = 44,722.92/x
  3. Step 3: Cross multiply
    80,532.66x = 111,140.06 × 44,722.92
  4. Step 4: Simplify right side
    80,532.66x = 4,970,507,788.56
  5. Step 5: Solve for x
    x = 4,970,507,788.56/80,532.66
  6. Step 6: Final answer
    x = 61,720.40

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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.