Home / 82,615.04-123,767.04-41,091.20

Finding the Fourth Proportional to 82,615.04, 123,767.04 and 41,091.20

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Solution

The fourth proportional to 82,615.04, 123,767.04 and 41,091.20 is: 61,559.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,615.04 : 123,767.04 = 41,091.20 : x
  2. Step 2: Convert to fraction form
    82,615.04/123,767.04 = 41,091.20/x
  3. Step 3: Cross multiply
    82,615.04x = 123,767.04 × 41,091.20
  4. Step 4: Simplify right side
    82,615.04x = 5,085,736,194.05
  5. Step 5: Solve for x
    x = 5,085,736,194.05/82,615.04
  6. Step 6: Final answer
    x = 61,559.45

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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.