Home / 51,445.54-77,174.66-18,158.86

Finding the Fourth Proportional to 51,445.54, 77,174.66 and 18,158.86

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Solution

The fourth proportional to 51,445.54, 77,174.66 and 18,158.86 is: 27,240.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,445.54 : 77,174.66 = 18,158.86 : x
  2. Step 2: Convert to fraction form
    51,445.54/77,174.66 = 18,158.86/x
  3. Step 3: Cross multiply
    51,445.54x = 77,174.66 × 18,158.86
  4. Step 4: Simplify right side
    51,445.54x = 1,401,403,846.49
  5. Step 5: Solve for x
    x = 1,401,403,846.49/51,445.54
  6. Step 6: Final answer
    x = 27,240.53

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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.