Home / 66,270.75-91,454.04-36,056.29

Finding the Fourth Proportional to 66,270.75, 91,454.04 and 36,056.29

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Solution

The fourth proportional to 66,270.75, 91,454.04 and 36,056.29 is: 49,757.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,270.75 : 91,454.04 = 36,056.29 : x
  2. Step 2: Convert to fraction form
    66,270.75/91,454.04 = 36,056.29/x
  3. Step 3: Cross multiply
    66,270.75x = 91,454.04 × 36,056.29
  4. Step 4: Simplify right side
    66,270.75x = 3,297,493,518.71
  5. Step 5: Solve for x
    x = 3,297,493,518.71/66,270.75
  6. Step 6: Final answer
    x = 49,757.90

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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.