Home / 69,515.28-104,083.38-48,403.44

Finding the Fourth Proportional to 69,515.28, 104,083.38 and 48,403.44

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Solution

The fourth proportional to 69,515.28, 104,083.38 and 48,403.44 is: 72,473.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,515.28 : 104,083.38 = 48,403.44 : x
  2. Step 2: Convert to fraction form
    69,515.28/104,083.38 = 48,403.44/x
  3. Step 3: Cross multiply
    69,515.28x = 104,083.38 × 48,403.44
  4. Step 4: Simplify right side
    69,515.28x = 5,037,993,638.83
  5. Step 5: Solve for x
    x = 5,037,993,638.83/69,515.28
  6. Step 6: Final answer
    x = 72,473.18

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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.