Home / 109,918.50-151,687.54-62,170.82

Finding the Fourth Proportional to 109,918.50, 151,687.54 and 62,170.82

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Solution

The fourth proportional to 109,918.50, 151,687.54 and 62,170.82 is: 85,795.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,918.50 : 151,687.54 = 62,170.82 : x
  2. Step 2: Convert to fraction form
    109,918.50/151,687.54 = 62,170.82/x
  3. Step 3: Cross multiply
    109,918.50x = 151,687.54 × 62,170.82
  4. Step 4: Simplify right side
    109,918.50x = 9,430,538,745.58
  5. Step 5: Solve for x
    x = 9,430,538,745.58/109,918.50
  6. Step 6: Final answer
    x = 85,795.74

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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.