Home / 67,840.20-93,692.70-52,910.28

Finding the Fourth Proportional to 67,840.20, 93,692.70 and 52,910.28

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Solution

The fourth proportional to 67,840.20, 93,692.70 and 52,910.28 is: 73,073.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,840.20 : 93,692.70 = 52,910.28 : x
  2. Step 2: Convert to fraction form
    67,840.20/93,692.70 = 52,910.28/x
  3. Step 3: Cross multiply
    67,840.20x = 93,692.70 × 52,910.28
  4. Step 4: Simplify right side
    67,840.20x = 4,957,306,990.96
  5. Step 5: Solve for x
    x = 4,957,306,990.96/67,840.20
  6. Step 6: Final answer
    x = 73,073.30

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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.