Home / 76,581.45-114,872.63-26,626.57

Finding the Fourth Proportional to 76,581.45, 114,872.63 and 26,626.57

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Solution

The fourth proportional to 76,581.45, 114,872.63 and 26,626.57 is: 39,940.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,581.45 : 114,872.63 = 26,626.57 : x
  2. Step 2: Convert to fraction form
    76,581.45/114,872.63 = 26,626.57/x
  3. Step 3: Cross multiply
    76,581.45x = 114,872.63 × 26,626.57
  4. Step 4: Simplify right side
    76,581.45x = 3,058,664,499.40
  5. Step 5: Solve for x
    x = 3,058,664,499.40/76,581.45
  6. Step 6: Final answer
    x = 39,940.02

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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.