Home / 66,192.28-91,343.11-37,892.50

Finding the Fourth Proportional to 66,192.28, 91,343.11 and 37,892.50

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Solution

The fourth proportional to 66,192.28, 91,343.11 and 37,892.50 is: 52,290.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,192.28 : 91,343.11 = 37,892.50 : x
  2. Step 2: Convert to fraction form
    66,192.28/91,343.11 = 37,892.50/x
  3. Step 3: Cross multiply
    66,192.28x = 91,343.11 × 37,892.50
  4. Step 4: Simplify right side
    66,192.28x = 3,461,218,795.68
  5. Step 5: Solve for x
    x = 3,461,218,795.68/66,192.28
  6. Step 6: Final answer
    x = 52,290.37

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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.