Home / 66,395.84-99,659.34-35,231.09

Finding the Fourth Proportional to 66,395.84, 99,659.34 and 35,231.09

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Solution

The fourth proportional to 66,395.84, 99,659.34 and 35,231.09 is: 52,881.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,395.84 : 99,659.34 = 35,231.09 : x
  2. Step 2: Convert to fraction form
    66,395.84/99,659.34 = 35,231.09/x
  3. Step 3: Cross multiply
    66,395.84x = 99,659.34 × 35,231.09
  4. Step 4: Simplify right side
    66,395.84x = 3,511,106,678.58
  5. Step 5: Solve for x
    x = 3,511,106,678.58/66,395.84
  6. Step 6: Final answer
    x = 52,881.43

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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.