Home / 66,351.48-99,544.08-19,604.36

Finding the Fourth Proportional to 66,351.48, 99,544.08 and 19,604.36

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Solution

The fourth proportional to 66,351.48, 99,544.08 and 19,604.36 is: 29,411.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,351.48 : 99,544.08 = 19,604.36 : x
  2. Step 2: Convert to fraction form
    66,351.48/99,544.08 = 19,604.36/x
  3. Step 3: Cross multiply
    66,351.48x = 99,544.08 × 19,604.36
  4. Step 4: Simplify right side
    66,351.48x = 1,951,497,482.47
  5. Step 5: Solve for x
    x = 1,951,497,482.47/66,351.48
  6. Step 6: Final answer
    x = 29,411.51

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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.