Home / 101,926.75-140,660.83-56,608.98

Finding the Fourth Proportional to 101,926.75, 140,660.83 and 56,608.98

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Solution

The fourth proportional to 101,926.75, 140,660.83 and 56,608.98 is: 78,121.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,926.75 : 140,660.83 = 56,608.98 : x
  2. Step 2: Convert to fraction form
    101,926.75/140,660.83 = 56,608.98/x
  3. Step 3: Cross multiply
    101,926.75x = 140,660.83 × 56,608.98
  4. Step 4: Simplify right side
    101,926.75x = 7,962,666,112.25
  5. Step 5: Solve for x
    x = 7,962,666,112.25/101,926.75
  6. Step 6: Final answer
    x = 78,121.46

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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.