Home / 80,441.73-111,007.49-44,143.07

Finding the Fourth Proportional to 80,441.73, 111,007.49 and 44,143.07

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Solution

The fourth proportional to 80,441.73, 111,007.49 and 44,143.07 is: 60,916.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,441.73 : 111,007.49 = 44,143.07 : x
  2. Step 2: Convert to fraction form
    80,441.73/111,007.49 = 44,143.07/x
  3. Step 3: Cross multiply
    80,441.73x = 111,007.49 × 44,143.07
  4. Step 4: Simplify right side
    80,441.73x = 4,900,210,625.84
  5. Step 5: Solve for x
    x = 4,900,210,625.84/80,441.73
  6. Step 6: Final answer
    x = 60,916.28

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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.