Home / 45,203.80-67,756.44-38,609.98

Finding the Fourth Proportional to 45,203.80, 67,756.44 and 38,609.98

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Solution

The fourth proportional to 45,203.80, 67,756.44 and 38,609.98 is: 57,872.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,203.80 : 67,756.44 = 38,609.98 : x
  2. Step 2: Convert to fraction form
    45,203.80/67,756.44 = 38,609.98/x
  3. Step 3: Cross multiply
    45,203.80x = 67,756.44 × 38,609.98
  4. Step 4: Simplify right side
    45,203.80x = 2,616,074,793.27
  5. Step 5: Solve for x
    x = 2,616,074,793.27/45,203.80
  6. Step 6: Final answer
    x = 57,872.90

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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.