Home / 76,756.66-115,139.09-24,170.24

Finding the Fourth Proportional to 76,756.66, 115,139.09 and 24,170.24

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Solution

The fourth proportional to 76,756.66, 115,139.09 and 24,170.24 is: 36,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,756.66 : 115,139.09 = 24,170.24 : x
  2. Step 2: Convert to fraction form
    76,756.66/115,139.09 = 24,170.24/x
  3. Step 3: Cross multiply
    76,756.66x = 115,139.09 × 24,170.24
  4. Step 4: Simplify right side
    76,756.66x = 2,782,939,438.68
  5. Step 5: Solve for x
    x = 2,782,939,438.68/76,756.66
  6. Step 6: Final answer
    x = 36,256.65

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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.