Home / 76,138.67-114,132.66-36,087.26

Finding the Fourth Proportional to 76,138.67, 114,132.66 and 36,087.26

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Solution

The fourth proportional to 76,138.67, 114,132.66 and 36,087.26 is: 54,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,138.67 : 114,132.66 = 36,087.26 : x
  2. Step 2: Convert to fraction form
    76,138.67/114,132.66 = 36,087.26/x
  3. Step 3: Cross multiply
    76,138.67x = 114,132.66 × 36,087.26
  4. Step 4: Simplify right side
    76,138.67x = 4,118,734,975.91
  5. Step 5: Solve for x
    x = 4,118,734,975.91/76,138.67
  6. Step 6: Final answer
    x = 54,095.18

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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.