Home / 68,441.76-94,439.52-40,156.56

Finding the Fourth Proportional to 68,441.76, 94,439.52 and 40,156.56

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Solution

The fourth proportional to 68,441.76, 94,439.52 and 40,156.56 is: 55,410.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,441.76 : 94,439.52 = 40,156.56 : x
  2. Step 2: Convert to fraction form
    68,441.76/94,439.52 = 40,156.56/x
  3. Step 3: Cross multiply
    68,441.76x = 94,439.52 × 40,156.56
  4. Step 4: Simplify right side
    68,441.76x = 3,792,366,251.25
  5. Step 5: Solve for x
    x = 3,792,366,251.25/68,441.76
  6. Step 6: Final answer
    x = 55,410.12

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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.