Home / 51,127.68-76,665.56-38,360.64

Finding the Fourth Proportional to 51,127.68, 76,665.56 and 38,360.64

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Solution

The fourth proportional to 51,127.68, 76,665.56 and 38,360.64 is: 57,521.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,127.68 : 76,665.56 = 38,360.64 : x
  2. Step 2: Convert to fraction form
    51,127.68/76,665.56 = 38,360.64/x
  3. Step 3: Cross multiply
    51,127.68x = 76,665.56 × 38,360.64
  4. Step 4: Simplify right side
    51,127.68x = 2,940,939,468.33
  5. Step 5: Solve for x
    x = 2,940,939,468.33/51,127.68
  6. Step 6: Final answer
    x = 57,521.48

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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.