Home / 69,917.68-96,486.66-38,086.28

Finding the Fourth Proportional to 69,917.68, 96,486.66 and 38,086.28

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Solution

The fourth proportional to 69,917.68, 96,486.66 and 38,086.28 is: 52,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917.68 : 96,486.66 = 38,086.28 : x
  2. Step 2: Convert to fraction form
    69,917.68/96,486.66 = 38,086.28/x
  3. Step 3: Cross multiply
    69,917.68x = 96,486.66 × 38,086.28
  4. Step 4: Simplify right side
    69,917.68x = 3,674,817,949.02
  5. Step 5: Solve for x
    x = 3,674,817,949.02/69,917.68
  6. Step 6: Final answer
    x = 52,559.21

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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.