Home / 69,997.12-104,976.96-47,806.72

Finding the Fourth Proportional to 69,997.12, 104,976.96 and 47,806.72

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Solution

The fourth proportional to 69,997.12, 104,976.96 and 47,806.72 is: 71,697.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,997.12 : 104,976.96 = 47,806.72 : x
  2. Step 2: Convert to fraction form
    69,997.12/104,976.96 = 47,806.72/x
  3. Step 3: Cross multiply
    69,997.12x = 104,976.96 × 47,806.72
  4. Step 4: Simplify right side
    69,997.12x = 5,018,604,133.17
  5. Step 5: Solve for x
    x = 5,018,604,133.17/69,997.12
  6. Step 6: Final answer
    x = 71,697.29

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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.