Home / 87,328.11-130,882.64-37,349.54

Finding the Fourth Proportional to 87,328.11, 130,882.64 and 37,349.54

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Solution

The fourth proportional to 87,328.11, 130,882.64 and 37,349.54 is: 55,977.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,328.11 : 130,882.64 = 37,349.54 : x
  2. Step 2: Convert to fraction form
    87,328.11/130,882.64 = 37,349.54/x
  3. Step 3: Cross multiply
    87,328.11x = 130,882.64 × 37,349.54
  4. Step 4: Simplify right side
    87,328.11x = 4,888,405,556.82
  5. Step 5: Solve for x
    x = 4,888,405,556.82/87,328.11
  6. Step 6: Final answer
    x = 55,977.46

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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.