Home / 76,868.74-115,306.55-23,556.86

Finding the Fourth Proportional to 76,868.74, 115,306.55 and 23,556.86

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Solution

The fourth proportional to 76,868.74, 115,306.55 and 23,556.86 is: 35,336.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,868.74 : 115,306.55 = 23,556.86 : x
  2. Step 2: Convert to fraction form
    76,868.74/115,306.55 = 23,556.86/x
  3. Step 3: Cross multiply
    76,868.74x = 115,306.55 × 23,556.86
  4. Step 4: Simplify right side
    76,868.74x = 2,716,260,255.43
  5. Step 5: Solve for x
    x = 2,716,260,255.43/76,868.74
  6. Step 6: Final answer
    x = 35,336.34

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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.