Home / 66,133.89-91,262.97-37,837.76

Finding the Fourth Proportional to 66,133.89, 91,262.97 and 37,837.76

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Solution

The fourth proportional to 66,133.89, 91,262.97 and 37,837.76 is: 52,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,133.89 : 91,262.97 = 37,837.76 : x
  2. Step 2: Convert to fraction form
    66,133.89/91,262.97 = 37,837.76/x
  3. Step 3: Cross multiply
    66,133.89x = 91,262.97 × 37,837.76
  4. Step 4: Simplify right side
    66,133.89x = 3,453,185,899.43
  5. Step 5: Solve for x
    x = 3,453,185,899.43/66,133.89
  6. Step 6: Final answer
    x = 52,215.07

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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.