Home / 69,917.12-96,486.68-38,086

Finding the Fourth Proportional to 69,917.12, 96,486.68 and 38,086

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Solution

The fourth proportional to 69,917.12, 96,486.68 and 38,086 is: 52,559.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,917.12 : 96,486.68 = 38,086 : x
  2. Step 2: Convert to fraction form
    69,917.12/96,486.68 = 38,086/x
  3. Step 3: Cross multiply
    69,917.12x = 96,486.68 × 38,086
  4. Step 4: Simplify right side
    69,917.12x = 3,674,791,694.48
  5. Step 5: Solve for x
    x = 3,674,791,694.48/69,917.12
  6. Step 6: Final answer
    x = 52,559.25

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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.