Home / 49,031.20-73,417.20-38,576.80

Finding the Fourth Proportional to 49,031.20, 73,417.20 and 38,576.80

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Solution

The fourth proportional to 49,031.20, 73,417.20 and 38,576.80 is: 57,763.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,031.20 : 73,417.20 = 38,576.80 : x
  2. Step 2: Convert to fraction form
    49,031.20/73,417.20 = 38,576.80/x
  3. Step 3: Cross multiply
    49,031.20x = 73,417.20 × 38,576.80
  4. Step 4: Simplify right side
    49,031.20x = 2,832,200,640.96
  5. Step 5: Solve for x
    x = 2,832,200,640.96/49,031.20
  6. Step 6: Final answer
    x = 57,763.23

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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.