Home / 56,174.76-84,191.40-49,138.02

Finding the Fourth Proportional to 56,174.76, 84,191.40 and 49,138.02

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Solution

The fourth proportional to 56,174.76, 84,191.40 and 49,138.02 is: 73,645.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,174.76 : 84,191.40 = 49,138.02 : x
  2. Step 2: Convert to fraction form
    56,174.76/84,191.40 = 49,138.02/x
  3. Step 3: Cross multiply
    56,174.76x = 84,191.40 × 49,138.02
  4. Step 4: Simplify right side
    56,174.76x = 4,136,998,697.03
  5. Step 5: Solve for x
    x = 4,136,998,697.03/56,174.76
  6. Step 6: Final answer
    x = 73,645.15

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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.