Home / 76,117.05-114,050.93-40,540.61

Finding the Fourth Proportional to 76,117.05, 114,050.93 and 40,540.61

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Solution

The fourth proportional to 76,117.05, 114,050.93 and 40,540.61 is: 60,744.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,117.05 : 114,050.93 = 40,540.61 : x
  2. Step 2: Convert to fraction form
    76,117.05/114,050.93 = 40,540.61/x
  3. Step 3: Cross multiply
    76,117.05x = 114,050.93 × 40,540.61
  4. Step 4: Simplify right side
    76,117.05x = 4,623,694,355.69
  5. Step 5: Solve for x
    x = 4,623,694,355.69/76,117.05
  6. Step 6: Final answer
    x = 60,744.53

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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.