Home / 66,336.66-99,401.31-38,273.94

Finding the Fourth Proportional to 66,336.66, 99,401.31 and 38,273.94

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Solution

The fourth proportional to 66,336.66, 99,401.31 and 38,273.94 is: 57,351.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,336.66 : 99,401.31 = 38,273.94 : x
  2. Step 2: Convert to fraction form
    66,336.66/99,401.31 = 38,273.94/x
  3. Step 3: Cross multiply
    66,336.66x = 99,401.31 × 38,273.94
  4. Step 4: Simplify right side
    66,336.66x = 3,804,479,774.86
  5. Step 5: Solve for x
    x = 3,804,479,774.86/66,336.66
  6. Step 6: Final answer
    x = 57,351.09

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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.