Home / 82,530.58-123,593.97-74,543.29

Finding the Fourth Proportional to 82,530.58, 123,593.97 and 74,543.29

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Solution

The fourth proportional to 82,530.58, 123,593.97 and 74,543.29 is: 111,632.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,530.58 : 123,593.97 = 74,543.29 : x
  2. Step 2: Convert to fraction form
    82,530.58/123,593.97 = 74,543.29/x
  3. Step 3: Cross multiply
    82,530.58x = 123,593.97 × 74,543.29
  4. Step 4: Simplify right side
    82,530.58x = 9,213,100,157.28
  5. Step 5: Solve for x
    x = 9,213,100,157.28/82,530.58
  6. Step 6: Final answer
    x = 111,632.57

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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.