Home / 73,222.20-109,590.30-53,174.70

Finding the Fourth Proportional to 73,222.20, 109,590.30 and 53,174.70

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Solution

The fourth proportional to 73,222.20, 109,590.30 and 53,174.70 is: 79,585.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,222.20 : 109,590.30 = 53,174.70 : x
  2. Step 2: Convert to fraction form
    73,222.20/109,590.30 = 53,174.70/x
  3. Step 3: Cross multiply
    73,222.20x = 109,590.30 × 53,174.70
  4. Step 4: Simplify right side
    73,222.20x = 5,827,431,325.41
  5. Step 5: Solve for x
    x = 5,827,431,325.41/73,222.20
  6. Step 6: Final answer
    x = 79,585.58

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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.