Home / 67,040.44-100,424.58-52,188.28

Finding the Fourth Proportional to 67,040.44, 100,424.58 and 52,188.28

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Solution

The fourth proportional to 67,040.44, 100,424.58 and 52,188.28 is: 78,176.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,040.44 : 100,424.58 = 52,188.28 : x
  2. Step 2: Convert to fraction form
    67,040.44/100,424.58 = 52,188.28/x
  3. Step 3: Cross multiply
    67,040.44x = 100,424.58 × 52,188.28
  4. Step 4: Simplify right side
    67,040.44x = 5,240,986,099.92
  5. Step 5: Solve for x
    x = 5,240,986,099.92/67,040.44
  6. Step 6: Final answer
    x = 78,176.49

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1.5x scale

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.