Home / 64,189.41-96,371.43-36,129.28

Finding the Fourth Proportional to 64,189.41, 96,371.43 and 36,129.28

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Solution

The fourth proportional to 64,189.41, 96,371.43 and 36,129.28 is: 54,243.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,189.41 : 96,371.43 = 36,129.28 : x
  2. Step 2: Convert to fraction form
    64,189.41/96,371.43 = 36,129.28/x
  3. Step 3: Cross multiply
    64,189.41x = 96,371.43 × 36,129.28
  4. Step 4: Simplify right side
    64,189.41x = 3,481,830,378.47
  5. Step 5: Solve for x
    x = 3,481,830,378.47/64,189.41
  6. Step 6: Final answer
    x = 54,243.07

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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.