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Finding the Fourth Proportional to 64,692.97, 97,006.64 and 29,602.55

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Solution

The fourth proportional to 64,692.97, 97,006.64 and 29,602.55 is: 44,388.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,692.97 : 97,006.64 = 29,602.55 : x
  2. Step 2: Convert to fraction form
    64,692.97/97,006.64 = 29,602.55/x
  3. Step 3: Cross multiply
    64,692.97x = 97,006.64 × 29,602.55
  4. Step 4: Simplify right side
    64,692.97x = 2,871,644,005.44
  5. Step 5: Solve for x
    x = 2,871,644,005.44/64,692.97
  6. Step 6: Final answer
    x = 44,388.81

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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.