Home / 69,462.56-95,856.35-40,781.75

Finding the Fourth Proportional to 69,462.56, 95,856.35 and 40,781.75

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Solution

The fourth proportional to 69,462.56, 95,856.35 and 40,781.75 is: 56,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,462.56 : 95,856.35 = 40,781.75 : x
  2. Step 2: Convert to fraction form
    69,462.56/95,856.35 = 40,781.75/x
  3. Step 3: Cross multiply
    69,462.56x = 95,856.35 × 40,781.75
  4. Step 4: Simplify right side
    69,462.56x = 3,909,189,018.42
  5. Step 5: Solve for x
    x = 3,909,189,018.42/69,462.56
  6. Step 6: Final answer
    x = 56,277.64

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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.