Home / 66,046.50-99,075.77-18,662.27

Finding the Fourth Proportional to 66,046.50, 99,075.77 and 18,662.27

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Solution

The fourth proportional to 66,046.50, 99,075.77 and 18,662.27 is: 27,995.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,046.50 : 99,075.77 = 18,662.27 : x
  2. Step 2: Convert to fraction form
    66,046.50/99,075.77 = 18,662.27/x
  3. Step 3: Cross multiply
    66,046.50x = 99,075.77 × 18,662.27
  4. Step 4: Simplify right side
    66,046.50x = 1,848,979,064.54
  5. Step 5: Solve for x
    x = 1,848,979,064.54/66,046.50
  6. Step 6: Final answer
    x = 27,995.11

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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.