Home / 80,440.13-111,007.39-44,630.05

Finding the Fourth Proportional to 80,440.13, 111,007.39 and 44,630.05

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Solution

The fourth proportional to 80,440.13, 111,007.39 and 44,630.05 is: 61,589.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,440.13 : 111,007.39 = 44,630.05 : x
  2. Step 2: Convert to fraction form
    80,440.13/111,007.39 = 44,630.05/x
  3. Step 3: Cross multiply
    80,440.13x = 111,007.39 × 44,630.05
  4. Step 4: Simplify right side
    80,440.13x = 4,954,265,366.07
  5. Step 5: Solve for x
    x = 4,954,265,366.07/80,440.13
  6. Step 6: Final answer
    x = 61,589.48

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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.