Home / 48,129.82-72,134.55-23,163.17

Finding the Fourth Proportional to 48,129.82, 72,134.55 and 23,163.17

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Solution

The fourth proportional to 48,129.82, 72,134.55 and 23,163.17 is: 34,715.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.82 : 72,134.55 = 23,163.17 : x
  2. Step 2: Convert to fraction form
    48,129.82/72,134.55 = 23,163.17/x
  3. Step 3: Cross multiply
    48,129.82x = 72,134.55 × 23,163.17
  4. Step 4: Simplify right side
    48,129.82x = 1,670,864,483.85
  5. Step 5: Solve for x
    x = 1,670,864,483.85/48,129.82
  6. Step 6: Final answer
    x = 34,715.79

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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.