Home / 77,432.45-116,190.98-30,049.40

Finding the Fourth Proportional to 77,432.45, 116,190.98 and 30,049.40

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Solution

The fourth proportional to 77,432.45, 116,190.98 and 30,049.40 is: 45,090.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,432.45 : 116,190.98 = 30,049.40 : x
  2. Step 2: Convert to fraction form
    77,432.45/116,190.98 = 30,049.40/x
  3. Step 3: Cross multiply
    77,432.45x = 116,190.98 × 30,049.40
  4. Step 4: Simplify right side
    77,432.45x = 3,491,469,656.36
  5. Step 5: Solve for x
    x = 3,491,469,656.36/77,432.45
  6. Step 6: Final answer
    x = 45,090.53

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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.