Home / 51,507.13-77,156.81-43,163.73

Finding the Fourth Proportional to 51,507.13, 77,156.81 and 43,163.73

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Solution

The fourth proportional to 51,507.13, 77,156.81 and 43,163.73 is: 64,658.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,507.13 : 77,156.81 = 43,163.73 : x
  2. Step 2: Convert to fraction form
    51,507.13/77,156.81 = 43,163.73/x
  3. Step 3: Cross multiply
    51,507.13x = 77,156.81 × 43,163.73
  4. Step 4: Simplify right side
    51,507.13x = 3,330,375,714.50
  5. Step 5: Solve for x
    x = 3,330,375,714.50/51,507.13
  6. Step 6: Final answer
    x = 64,658.54

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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.