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Finding the Fourth Proportional to 88,692.84, 122,393.76 and 48,407.10

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Solution

The fourth proportional to 88,692.84, 122,393.76 and 48,407.10 is: 66,800.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,692.84 : 122,393.76 = 48,407.10 : x
  2. Step 2: Convert to fraction form
    88,692.84/122,393.76 = 48,407.10/x
  3. Step 3: Cross multiply
    88,692.84x = 122,393.76 × 48,407.10
  4. Step 4: Simplify right side
    88,692.84x = 5,924,726,979.70
  5. Step 5: Solve for x
    x = 5,924,726,979.70/88,692.84
  6. Step 6: Final answer
    x = 66,800.51

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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.