Home / 92,856.90-139,305.33-28,813.77

Finding the Fourth Proportional to 92,856.90, 139,305.33 and 28,813.77

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Solution

The fourth proportional to 92,856.90, 139,305.33 and 28,813.77 is: 43,226.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,856.90 : 139,305.33 = 28,813.77 : x
  2. Step 2: Convert to fraction form
    92,856.90/139,305.33 = 28,813.77/x
  3. Step 3: Cross multiply
    92,856.90x = 139,305.33 × 28,813.77
  4. Step 4: Simplify right side
    92,856.90x = 4,013,911,738.39
  5. Step 5: Solve for x
    x = 4,013,911,738.39/92,856.90
  6. Step 6: Final answer
    x = 43,226.85

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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.