Home / 53,277.56-79,930.18-43,805.49

Finding the Fourth Proportional to 53,277.56, 79,930.18 and 43,805.49

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Solution

The fourth proportional to 53,277.56, 79,930.18 and 43,805.49 is: 65,719.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,277.56 : 79,930.18 = 43,805.49 : x
  2. Step 2: Convert to fraction form
    53,277.56/79,930.18 = 43,805.49/x
  3. Step 3: Cross multiply
    53,277.56x = 79,930.18 × 43,805.49
  4. Step 4: Simplify right side
    53,277.56x = 3,501,380,700.69
  5. Step 5: Solve for x
    x = 3,501,380,700.69/53,277.56
  6. Step 6: Final answer
    x = 65,719.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.