Home / 66,433.31-99,632.94-19,675.25

Finding the Fourth Proportional to 66,433.31, 99,632.94 and 19,675.25

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Solution

The fourth proportional to 66,433.31, 99,632.94 and 19,675.25 is: 29,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,433.31 : 99,632.94 = 19,675.25 : x
  2. Step 2: Convert to fraction form
    66,433.31/99,632.94 = 19,675.25/x
  3. Step 3: Cross multiply
    66,433.31x = 99,632.94 × 19,675.25
  4. Step 4: Simplify right side
    66,433.31x = 1,960,303,002.74
  5. Step 5: Solve for x
    x = 1,960,303,002.74/66,433.31
  6. Step 6: Final answer
    x = 29,507.83

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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.