Home / 66,623.27-91,937.36-36,409.59

Finding the Fourth Proportional to 66,623.27, 91,937.36 and 36,409.59

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Solution

The fourth proportional to 66,623.27, 91,937.36 and 36,409.59 is: 50,243.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,623.27 : 91,937.36 = 36,409.59 : x
  2. Step 2: Convert to fraction form
    66,623.27/91,937.36 = 36,409.59/x
  3. Step 3: Cross multiply
    66,623.27x = 91,937.36 × 36,409.59
  4. Step 4: Simplify right side
    66,623.27x = 3,347,401,674.31
  5. Step 5: Solve for x
    x = 3,347,401,674.31/66,623.27
  6. Step 6: Final answer
    x = 50,243.74

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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.