Home / 66,105.28-99,059.46-36,531.58

Finding the Fourth Proportional to 66,105.28, 99,059.46 and 36,531.58

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Solution

The fourth proportional to 66,105.28, 99,059.46 and 36,531.58 is: 54,742.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,105.28 : 99,059.46 = 36,531.58 : x
  2. Step 2: Convert to fraction form
    66,105.28/99,059.46 = 36,531.58/x
  3. Step 3: Cross multiply
    66,105.28x = 99,059.46 × 36,531.58
  4. Step 4: Simplify right side
    66,105.28x = 3,618,798,587.75
  5. Step 5: Solve for x
    x = 3,618,798,587.75/66,105.28
  6. Step 6: Final answer
    x = 54,742.96

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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.