Home / 82,433.20-123,608.40-40,316.44

Finding the Fourth Proportional to 82,433.20, 123,608.40 and 40,316.44

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Solution

The fourth proportional to 82,433.20, 123,608.40 and 40,316.44 is: 60,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,433.20 : 123,608.40 = 40,316.44 : x
  2. Step 2: Convert to fraction form
    82,433.20/123,608.40 = 40,316.44/x
  3. Step 3: Cross multiply
    82,433.20x = 123,608.40 × 40,316.44
  4. Step 4: Simplify right side
    82,433.20x = 4,983,450,642.10
  5. Step 5: Solve for x
    x = 4,983,450,642.10/82,433.20
  6. Step 6: Final answer
    x = 60,454.41

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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.