Home / 64,771.11-89,383.77-36,090.90

Finding the Fourth Proportional to 64,771.11, 89,383.77 and 36,090.90

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Solution

The fourth proportional to 64,771.11, 89,383.77 and 36,090.90 is: 49,805.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,771.11 : 89,383.77 = 36,090.90 : x
  2. Step 2: Convert to fraction form
    64,771.11/89,383.77 = 36,090.90/x
  3. Step 3: Cross multiply
    64,771.11x = 89,383.77 × 36,090.90
  4. Step 4: Simplify right side
    64,771.11x = 3,225,940,704.69
  5. Step 5: Solve for x
    x = 3,225,940,704.69/64,771.11
  6. Step 6: Final answer
    x = 49,805.24

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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.