Home / 66,230.33-99,350.37-19,485.23

Finding the Fourth Proportional to 66,230.33, 99,350.37 and 19,485.23

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Solution

The fourth proportional to 66,230.33, 99,350.37 and 19,485.23 is: 29,229.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,230.33 : 99,350.37 = 19,485.23 : x
  2. Step 2: Convert to fraction form
    66,230.33/99,350.37 = 19,485.23/x
  3. Step 3: Cross multiply
    66,230.33x = 99,350.37 × 19,485.23
  4. Step 4: Simplify right side
    66,230.33x = 1,935,864,810.04
  5. Step 5: Solve for x
    x = 1,935,864,810.04/66,230.33
  6. Step 6: Final answer
    x = 29,229.28

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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.