Home / 65,017.20-89,634.78-41,131.92

Finding the Fourth Proportional to 65,017.20, 89,634.78 and 41,131.92

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Solution

The fourth proportional to 65,017.20, 89,634.78 and 41,131.92 is: 56,705.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,017.20 : 89,634.78 = 41,131.92 : x
  2. Step 2: Convert to fraction form
    65,017.20/89,634.78 = 41,131.92/x
  3. Step 3: Cross multiply
    65,017.20x = 89,634.78 × 41,131.92
  4. Step 4: Simplify right side
    65,017.20x = 3,686,850,600.18
  5. Step 5: Solve for x
    x = 3,686,850,600.18/65,017.20
  6. Step 6: Final answer
    x = 56,705.77

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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.