Home / 66,948.19-100,327.89-36,975.94

Finding the Fourth Proportional to 66,948.19, 100,327.89 and 36,975.94

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Solution

The fourth proportional to 66,948.19, 100,327.89 and 36,975.94 is: 55,411.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,948.19 : 100,327.89 = 36,975.94 : x
  2. Step 2: Convert to fraction form
    66,948.19/100,327.89 = 36,975.94/x
  3. Step 3: Cross multiply
    66,948.19x = 100,327.89 × 36,975.94
  4. Step 4: Simplify right side
    66,948.19x = 3,709,718,040.97
  5. Step 5: Solve for x
    x = 3,709,718,040.97/66,948.19
  6. Step 6: Final answer
    x = 55,411.78

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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.