Home / 66,121.30-99,009.42-36,476.92

Finding the Fourth Proportional to 66,121.30, 99,009.42 and 36,476.92

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Solution

The fourth proportional to 66,121.30, 99,009.42 and 36,476.92 is: 54,620.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,121.30 : 99,009.42 = 36,476.92 : x
  2. Step 2: Convert to fraction form
    66,121.30/99,009.42 = 36,476.92/x
  3. Step 3: Cross multiply
    66,121.30x = 99,009.42 × 36,476.92
  4. Step 4: Simplify right side
    66,121.30x = 3,611,558,692.59
  5. Step 5: Solve for x
    x = 3,611,558,692.59/66,121.30
  6. Step 6: Final answer
    x = 54,620.20

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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.