Home / 101,546.98-140,136.57-55,610.66

Finding the Fourth Proportional to 101,546.98, 140,136.57 and 55,610.66

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Solution

The fourth proportional to 101,546.98, 140,136.57 and 55,610.66 is: 76,743.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,546.98 : 140,136.57 = 55,610.66 : x
  2. Step 2: Convert to fraction form
    101,546.98/140,136.57 = 55,610.66/x
  3. Step 3: Cross multiply
    101,546.98x = 140,136.57 × 55,610.66
  4. Step 4: Simplify right side
    101,546.98x = 7,793,087,147.84
  5. Step 5: Solve for x
    x = 7,793,087,147.84/101,546.98
  6. Step 6: Final answer
    x = 76,743.66

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1.5x scale

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.