Home / 80,440.23-111,005.42-44,141.57

Finding the Fourth Proportional to 80,440.23, 111,005.42 and 44,141.57

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Solution

The fourth proportional to 80,440.23, 111,005.42 and 44,141.57 is: 60,914.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,440.23 : 111,005.42 = 44,141.57 : x
  2. Step 2: Convert to fraction form
    80,440.23/111,005.42 = 44,141.57/x
  3. Step 3: Cross multiply
    80,440.23x = 111,005.42 × 44,141.57
  4. Step 4: Simplify right side
    80,440.23x = 4,899,952,741.57
  5. Step 5: Solve for x
    x = 4,899,952,741.57/80,440.23
  6. Step 6: Final answer
    x = 60,914.21

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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.