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Finding the Fourth Proportional to 91,692.99, 137,527.79 and 35,494.64

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Solution

The fourth proportional to 91,692.99, 137,527.79 and 35,494.64 is: 53,237.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,692.99 : 137,527.79 = 35,494.64 : x
  2. Step 2: Convert to fraction form
    91,692.99/137,527.79 = 35,494.64/x
  3. Step 3: Cross multiply
    91,692.99x = 137,527.79 × 35,494.64
  4. Step 4: Simplify right side
    91,692.99x = 4,881,499,046.66
  5. Step 5: Solve for x
    x = 4,881,499,046.66/91,692.99
  6. Step 6: Final answer
    x = 53,237.43

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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.