Home / 73,869.17-110,787.55-21,267.23

Finding the Fourth Proportional to 73,869.17, 110,787.55 and 21,267.23

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Solution

The fourth proportional to 73,869.17, 110,787.55 and 21,267.23 is: 31,896.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,869.17 : 110,787.55 = 21,267.23 : x
  2. Step 2: Convert to fraction form
    73,869.17/110,787.55 = 21,267.23/x
  3. Step 3: Cross multiply
    73,869.17x = 110,787.55 × 21,267.23
  4. Step 4: Simplify right side
    73,869.17x = 2,356,143,699.88
  5. Step 5: Solve for x
    x = 2,356,143,699.88/73,869.17
  6. Step 6: Final answer
    x = 31,896.17

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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.