Home / 66,376.11-91,598.66-36,161.37

Finding the Fourth Proportional to 66,376.11, 91,598.66 and 36,161.37

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Solution

The fourth proportional to 66,376.11, 91,598.66 and 36,161.37 is: 49,902.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,376.11 : 91,598.66 = 36,161.37 : x
  2. Step 2: Convert to fraction form
    66,376.11/91,598.66 = 36,161.37/x
  3. Step 3: Cross multiply
    66,376.11x = 91,598.66 × 36,161.37
  4. Step 4: Simplify right side
    66,376.11x = 3,312,332,854.96
  5. Step 5: Solve for x
    x = 3,312,332,854.96/66,376.11
  6. Step 6: Final answer
    x = 49,902.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.