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Finding the Fourth Proportional to 63,986.95, 88,301.93 and 35,692.64

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Solution

The fourth proportional to 63,986.95, 88,301.93 and 35,692.64 is: 49,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,986.95 : 88,301.93 = 35,692.64 : x
  2. Step 2: Convert to fraction form
    63,986.95/88,301.93 = 35,692.64/x
  3. Step 3: Cross multiply
    63,986.95x = 88,301.93 × 35,692.64
  4. Step 4: Simplify right side
    63,986.95x = 3,151,728,998.80
  5. Step 5: Solve for x
    x = 3,151,728,998.80/63,986.95
  6. Step 6: Final answer
    x = 49,255.81

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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.