Home / 65,623.29-90,551.97-36,939.39

Finding the Fourth Proportional to 65,623.29, 90,551.97 and 36,939.39

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Solution

The fourth proportional to 65,623.29, 90,551.97 and 36,939.39 is: 50,971.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,623.29 : 90,551.97 = 36,939.39 : x
  2. Step 2: Convert to fraction form
    65,623.29/90,551.97 = 36,939.39/x
  3. Step 3: Cross multiply
    65,623.29x = 90,551.97 × 36,939.39
  4. Step 4: Simplify right side
    65,623.29x = 3,344,934,535.10
  5. Step 5: Solve for x
    x = 3,344,934,535.10/65,623.29
  6. Step 6: Final answer
    x = 50,971.76

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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.