Home / 61,891.12-85,081.39-53,245.81

Finding the Fourth Proportional to 61,891.12, 85,081.39 and 53,245.81

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Solution

The fourth proportional to 61,891.12, 85,081.39 and 53,245.81 is: 73,196.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,891.12 : 85,081.39 = 53,245.81 : x
  2. Step 2: Convert to fraction form
    61,891.12/85,081.39 = 53,245.81/x
  3. Step 3: Cross multiply
    61,891.12x = 85,081.39 × 53,245.81
  4. Step 4: Simplify right side
    61,891.12x = 4,530,227,526.48
  5. Step 5: Solve for x
    x = 4,530,227,526.48/61,891.12
  6. Step 6: Final answer
    x = 73,196.73

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.