Home / 66,071.57-91,182.44-37,392.71

Finding the Fourth Proportional to 66,071.57, 91,182.44 and 37,392.71

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Solution

The fourth proportional to 66,071.57, 91,182.44 and 37,392.71 is: 51,604.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,071.57 : 91,182.44 = 37,392.71 : x
  2. Step 2: Convert to fraction form
    66,071.57/91,182.44 = 37,392.71/x
  3. Step 3: Cross multiply
    66,071.57x = 91,182.44 × 37,392.71
  4. Step 4: Simplify right side
    66,071.57x = 3,409,558,857.45
  5. Step 5: Solve for x
    x = 3,409,558,857.45/66,071.57
  6. Step 6: Final answer
    x = 51,604.02

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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.