Home / 65,339.28-90,165.48-37,044.36

Finding the Fourth Proportional to 65,339.28, 90,165.48 and 37,044.36

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Solution

The fourth proportional to 65,339.28, 90,165.48 and 37,044.36 is: 51,119.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,339.28 : 90,165.48 = 37,044.36 : x
  2. Step 2: Convert to fraction form
    65,339.28/90,165.48 = 37,044.36/x
  3. Step 3: Cross multiply
    65,339.28x = 90,165.48 × 37,044.36
  4. Step 4: Simplify right side
    65,339.28x = 3,340,122,500.69
  5. Step 5: Solve for x
    x = 3,340,122,500.69/65,339.28
  6. Step 6: Final answer
    x = 51,119.67

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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.