Home / 92,019.28-126,991.11-51,745.72

Finding the Fourth Proportional to 92,019.28, 126,991.11 and 51,745.72

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Solution

The fourth proportional to 92,019.28, 126,991.11 and 51,745.72 is: 71,411.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,019.28 : 126,991.11 = 51,745.72 : x
  2. Step 2: Convert to fraction form
    92,019.28/126,991.11 = 51,745.72/x
  3. Step 3: Cross multiply
    92,019.28x = 126,991.11 × 51,745.72
  4. Step 4: Simplify right side
    92,019.28x = 6,571,246,420.55
  5. Step 5: Solve for x
    x = 6,571,246,420.55/92,019.28
  6. Step 6: Final answer
    x = 71,411.63

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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.