Home / 50,939.20-76,000.01-45,325.90

Finding the Fourth Proportional to 50,939.20, 76,000.01 and 45,325.90

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Solution

The fourth proportional to 50,939.20, 76,000.01 and 45,325.90 is: 67,625.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,939.20 : 76,000.01 = 45,325.90 : x
  2. Step 2: Convert to fraction form
    50,939.20/76,000.01 = 45,325.90/x
  3. Step 3: Cross multiply
    50,939.20x = 76,000.01 × 45,325.90
  4. Step 4: Simplify right side
    50,939.20x = 3,444,768,853.26
  5. Step 5: Solve for x
    x = 3,444,768,853.26/50,939.20
  6. Step 6: Final answer
    x = 67,625.11

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.