Home / 66,299.25-99,446.48-28,859.34

Finding the Fourth Proportional to 66,299.25, 99,446.48 and 28,859.34

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Solution

The fourth proportional to 66,299.25, 99,446.48 and 28,859.34 is: 43,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,299.25 : 99,446.48 = 28,859.34 : x
  2. Step 2: Convert to fraction form
    66,299.25/99,446.48 = 28,859.34/x
  3. Step 3: Cross multiply
    66,299.25x = 99,446.48 × 28,859.34
  4. Step 4: Simplify right side
    66,299.25x = 2,869,960,164.60
  5. Step 5: Solve for x
    x = 2,869,960,164.60/66,299.25
  6. Step 6: Final answer
    x = 43,287.98

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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.