Home / 77,736.17-116,621.27-25,144.90

Finding the Fourth Proportional to 77,736.17, 116,621.27 and 25,144.90

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Solution

The fourth proportional to 77,736.17, 116,621.27 and 25,144.90 is: 37,722.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,736.17 : 116,621.27 = 25,144.90 : x
  2. Step 2: Convert to fraction form
    77,736.17/116,621.27 = 25,144.90/x
  3. Step 3: Cross multiply
    77,736.17x = 116,621.27 × 25,144.90
  4. Step 4: Simplify right side
    77,736.17x = 2,932,430,172.02
  5. Step 5: Solve for x
    x = 2,932,430,172.02/77,736.17
  6. Step 6: Final answer
    x = 37,722.85

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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.