Home / 65,138.13-89,884.26-36,456.08

Finding the Fourth Proportional to 65,138.13, 89,884.26 and 36,456.08

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Solution

The fourth proportional to 65,138.13, 89,884.26 and 36,456.08 is: 50,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,138.13 : 89,884.26 = 36,456.08 : x
  2. Step 2: Convert to fraction form
    65,138.13/89,884.26 = 36,456.08/x
  3. Step 3: Cross multiply
    65,138.13x = 89,884.26 × 36,456.08
  4. Step 4: Simplify right side
    65,138.13x = 3,276,827,998.01
  5. Step 5: Solve for x
    x = 3,276,827,998.01/65,138.13
  6. Step 6: Final answer
    x = 50,305.83

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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.