Home / 69,560.32-104,107.20-57,079.84

Finding the Fourth Proportional to 69,560.32, 104,107.20 and 57,079.84

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Solution

The fourth proportional to 69,560.32, 104,107.20 and 57,079.84 is: 85,428.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,560.32 : 104,107.20 = 57,079.84 : x
  2. Step 2: Convert to fraction form
    69,560.32/104,107.20 = 57,079.84/x
  3. Step 3: Cross multiply
    69,560.32x = 104,107.20 × 57,079.84
  4. Step 4: Simplify right side
    69,560.32x = 5,942,422,318.85
  5. Step 5: Solve for x
    x = 5,942,422,318.85/69,560.32
  6. Step 6: Final answer
    x = 85,428.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.