Home / 73,699.20-110,552.04-21,107.52

Finding the Fourth Proportional to 73,699.20, 110,552.04 and 21,107.52

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Solution

The fourth proportional to 73,699.20, 110,552.04 and 21,107.52 is: 31,662.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,699.20 : 110,552.04 = 21,107.52 : x
  2. Step 2: Convert to fraction form
    73,699.20/110,552.04 = 21,107.52/x
  3. Step 3: Cross multiply
    73,699.20x = 110,552.04 × 21,107.52
  4. Step 4: Simplify right side
    73,699.20x = 2,333,479,395.34
  5. Step 5: Solve for x
    x = 2,333,479,395.34/73,699.20
  6. Step 6: Final answer
    x = 31,662.21

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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.