Home / 127,701.08-191,357.22-61,049.60

Finding the Fourth Proportional to 127,701.08, 191,357.22 and 61,049.60

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Solution

The fourth proportional to 127,701.08, 191,357.22 and 61,049.60 is: 91,481.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,701.08 : 191,357.22 = 61,049.60 : x
  2. Step 2: Convert to fraction form
    127,701.08/191,357.22 = 61,049.60/x
  3. Step 3: Cross multiply
    127,701.08x = 191,357.22 × 61,049.60
  4. Step 4: Simplify right side
    127,701.08x = 11,682,281,738.11
  5. Step 5: Solve for x
    x = 11,682,281,738.11/127,701.08
  6. Step 6: Final answer
    x = 91,481.46

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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.