Home / 66,487.85-91,753.04-36,272.96

Finding the Fourth Proportional to 66,487.85, 91,753.04 and 36,272.96

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Solution

The fourth proportional to 66,487.85, 91,753.04 and 36,272.96 is: 50,056.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,487.85 : 91,753.04 = 36,272.96 : x
  2. Step 2: Convert to fraction form
    66,487.85/91,753.04 = 36,272.96/x
  3. Step 3: Cross multiply
    66,487.85x = 91,753.04 × 36,272.96
  4. Step 4: Simplify right side
    66,487.85x = 3,328,154,349.80
  5. Step 5: Solve for x
    x = 3,328,154,349.80/66,487.85
  6. Step 6: Final answer
    x = 50,056.58

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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.