Home / 65,110.24-89,835.92-37,890.80

Finding the Fourth Proportional to 65,110.24, 89,835.92 and 37,890.80

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Solution

The fourth proportional to 65,110.24, 89,835.92 and 37,890.80 is: 52,279.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,110.24 : 89,835.92 = 37,890.80 : x
  2. Step 2: Convert to fraction form
    65,110.24/89,835.92 = 37,890.80/x
  3. Step 3: Cross multiply
    65,110.24x = 89,835.92 × 37,890.80
  4. Step 4: Simplify right side
    65,110.24x = 3,403,954,877.54
  5. Step 5: Solve for x
    x = 3,403,954,877.54/65,110.24
  6. Step 6: Final answer
    x = 52,279.87

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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.