Home / 76,938.38-115,422.53-29,550

Finding the Fourth Proportional to 76,938.38, 115,422.53 and 29,550

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Solution

The fourth proportional to 76,938.38, 115,422.53 and 29,550 is: 44,330.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,938.38 : 115,422.53 = 29,550 : x
  2. Step 2: Convert to fraction form
    76,938.38/115,422.53 = 29,550/x
  3. Step 3: Cross multiply
    76,938.38x = 115,422.53 × 29,550
  4. Step 4: Simplify right side
    76,938.38x = 3,410,735,613.75
  5. Step 5: Solve for x
    x = 3,410,735,613.75/76,938.38
  6. Step 6: Final answer
    x = 44,330.75

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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.