Home / 69,880.20-104,863.50-28,327.56

Finding the Fourth Proportional to 69,880.20, 104,863.50 and 28,327.56

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Solution

The fourth proportional to 69,880.20, 104,863.50 and 28,327.56 is: 42,508.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,880.20 : 104,863.50 = 28,327.56 : x
  2. Step 2: Convert to fraction form
    69,880.20/104,863.50 = 28,327.56/x
  3. Step 3: Cross multiply
    69,880.20x = 104,863.50 × 28,327.56
  4. Step 4: Simplify right side
    69,880.20x = 2,970,527,088.06
  5. Step 5: Solve for x
    x = 2,970,527,088.06/69,880.20
  6. Step 6: Final answer
    x = 42,508.85

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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.