Home / 82,632.40-123,861.96-40,454.32

Finding the Fourth Proportional to 82,632.40, 123,861.96 and 40,454.32

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Solution

The fourth proportional to 82,632.40, 123,861.96 and 40,454.32 is: 60,639.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,632.40 : 123,861.96 = 40,454.32 : x
  2. Step 2: Convert to fraction form
    82,632.40/123,861.96 = 40,454.32/x
  3. Step 3: Cross multiply
    82,632.40x = 123,861.96 × 40,454.32
  4. Step 4: Simplify right side
    82,632.40x = 5,010,751,365.67
  5. Step 5: Solve for x
    x = 5,010,751,365.67/82,632.40
  6. Step 6: Final answer
    x = 60,639.06

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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.