Home / 73,717.16-110,579.52-21,127.10

Finding the Fourth Proportional to 73,717.16, 110,579.52 and 21,127.10

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Solution

The fourth proportional to 73,717.16, 110,579.52 and 21,127.10 is: 31,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,717.16 : 110,579.52 = 21,127.10 : x
  2. Step 2: Convert to fraction form
    73,717.16/110,579.52 = 21,127.10/x
  3. Step 3: Cross multiply
    73,717.16x = 110,579.52 × 21,127.10
  4. Step 4: Simplify right side
    73,717.16x = 2,336,224,576.99
  5. Step 5: Solve for x
    x = 2,336,224,576.99/73,717.16
  6. Step 6: Final answer
    x = 31,691.73

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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.