Home / 66,100.62-99,157.14-21,727.48

Finding the Fourth Proportional to 66,100.62, 99,157.14 and 21,727.48

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Solution

The fourth proportional to 66,100.62, 99,157.14 and 21,727.48 is: 32,593.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,100.62 : 99,157.14 = 21,727.48 : x
  2. Step 2: Convert to fraction form
    66,100.62/99,157.14 = 21,727.48/x
  3. Step 3: Cross multiply
    66,100.62x = 99,157.14 × 21,727.48
  4. Step 4: Simplify right side
    66,100.62x = 2,154,434,776.21
  5. Step 5: Solve for x
    x = 2,154,434,776.21/66,100.62
  6. Step 6: Final answer
    x = 32,593.26

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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.