Home / 88,692.45-122,363.49-68,280.75

Finding the Fourth Proportional to 88,692.45, 122,363.49 and 68,280.75

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Solution

The fourth proportional to 88,692.45, 122,363.49 and 68,280.75 is: 94,202.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,692.45 : 122,363.49 = 68,280.75 : x
  2. Step 2: Convert to fraction form
    88,692.45/122,363.49 = 68,280.75/x
  3. Step 3: Cross multiply
    88,692.45x = 122,363.49 × 68,280.75
  4. Step 4: Simplify right side
    88,692.45x = 8,355,070,869.82
  5. Step 5: Solve for x
    x = 8,355,070,869.82/88,692.45
  6. Step 6: Final answer
    x = 94,202.73

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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.