Home / 69,200.81-95,499.11-38,986.46

Finding the Fourth Proportional to 69,200.81, 95,499.11 and 38,986.46

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Solution

The fourth proportional to 69,200.81, 95,499.11 and 38,986.46 is: 53,802.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,200.81 : 95,499.11 = 38,986.46 : x
  2. Step 2: Convert to fraction form
    69,200.81/95,499.11 = 38,986.46/x
  3. Step 3: Cross multiply
    69,200.81x = 95,499.11 × 38,986.46
  4. Step 4: Simplify right side
    69,200.81x = 3,723,172,037.12
  5. Step 5: Solve for x
    x = 3,723,172,037.12/69,200.81
  6. Step 6: Final answer
    x = 53,802.43

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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.