Home / 76,856.85-115,280.96-29,494.53

Finding the Fourth Proportional to 76,856.85, 115,280.96 and 29,494.53

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Solution

The fourth proportional to 76,856.85, 115,280.96 and 29,494.53 is: 44,240.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,856.85 : 115,280.96 = 29,494.53 : x
  2. Step 2: Convert to fraction form
    76,856.85/115,280.96 = 29,494.53/x
  3. Step 3: Cross multiply
    76,856.85x = 115,280.96 × 29,494.53
  4. Step 4: Simplify right side
    76,856.85x = 3,400,157,585.68
  5. Step 5: Solve for x
    x = 3,400,157,585.68/76,856.85
  6. Step 6: Final answer
    x = 44,240.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.