Home / 77,324.22-115,953.53-27,416.88

Finding the Fourth Proportional to 77,324.22, 115,953.53 and 27,416.88

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Solution

The fourth proportional to 77,324.22, 115,953.53 and 27,416.88 is: 41,113.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,324.22 : 115,953.53 = 27,416.88 : x
  2. Step 2: Convert to fraction form
    77,324.22/115,953.53 = 27,416.88/x
  3. Step 3: Cross multiply
    77,324.22x = 115,953.53 × 27,416.88
  4. Step 4: Simplify right side
    77,324.22x = 3,179,083,880.50
  5. Step 5: Solve for x
    x = 3,179,083,880.50/77,324.22
  6. Step 6: Final answer
    x = 41,113.69

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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.