Home / 76,489.06-114,750.20-23,176.76

Finding the Fourth Proportional to 76,489.06, 114,750.20 and 23,176.76

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Solution

The fourth proportional to 76,489.06, 114,750.20 and 23,176.76 is: 34,770.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,489.06 : 114,750.20 = 23,176.76 : x
  2. Step 2: Convert to fraction form
    76,489.06/114,750.20 = 23,176.76/x
  3. Step 3: Cross multiply
    76,489.06x = 114,750.20 × 23,176.76
  4. Step 4: Simplify right side
    76,489.06x = 2,659,537,845.35
  5. Step 5: Solve for x
    x = 2,659,537,845.35/76,489.06
  6. Step 6: Final answer
    x = 34,770.17

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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.