Home / 92,826.27-139,135.73-85,353.21

Finding the Fourth Proportional to 92,826.27, 139,135.73 and 85,353.21

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Solution

The fourth proportional to 92,826.27, 139,135.73 and 85,353.21 is: 127,934.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,826.27 : 139,135.73 = 85,353.21 : x
  2. Step 2: Convert to fraction form
    92,826.27/139,135.73 = 85,353.21/x
  3. Step 3: Cross multiply
    92,826.27x = 139,135.73 × 85,353.21
  4. Step 4: Simplify right side
    92,826.27x = 11,875,680,754.43
  5. Step 5: Solve for x
    x = 11,875,680,754.43/92,826.27
  6. Step 6: Final answer
    x = 127,934.48

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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.