Home / 69,169.89-95,457.65-38,964.81

Finding the Fourth Proportional to 69,169.89, 95,457.65 and 38,964.81

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Solution

The fourth proportional to 69,169.89, 95,457.65 and 38,964.81 is: 53,773.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,169.89 : 95,457.65 = 38,964.81 : x
  2. Step 2: Convert to fraction form
    69,169.89/95,457.65 = 38,964.81/x
  3. Step 3: Cross multiply
    69,169.89x = 95,457.65 × 38,964.81
  4. Step 4: Simplify right side
    69,169.89x = 3,719,489,000.47
  5. Step 5: Solve for x
    x = 3,719,489,000.47/69,169.89
  6. Step 6: Final answer
    x = 53,773.24

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.