Home / 65,694.24-90,665.28-37,395.36

Finding the Fourth Proportional to 65,694.24, 90,665.28 and 37,395.36

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Solution

The fourth proportional to 65,694.24, 90,665.28 and 37,395.36 is: 51,609.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,694.24 : 90,665.28 = 37,395.36 : x
  2. Step 2: Convert to fraction form
    65,694.24/90,665.28 = 37,395.36/x
  3. Step 3: Cross multiply
    65,694.24x = 90,665.28 × 37,395.36
  4. Step 4: Simplify right side
    65,694.24x = 3,390,460,785.10
  5. Step 5: Solve for x
    x = 3,390,460,785.10/65,694.24
  6. Step 6: Final answer
    x = 51,609.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.