Home / 66,189.36-99,283.92-28,744.56

Finding the Fourth Proportional to 66,189.36, 99,283.92 and 28,744.56

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Solution

The fourth proportional to 66,189.36, 99,283.92 and 28,744.56 is: 43,116.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,189.36 : 99,283.92 = 28,744.56 : x
  2. Step 2: Convert to fraction form
    66,189.36/99,283.92 = 28,744.56/x
  3. Step 3: Cross multiply
    66,189.36x = 99,283.92 × 28,744.56
  4. Step 4: Simplify right side
    66,189.36x = 2,853,872,595.48
  5. Step 5: Solve for x
    x = 2,853,872,595.48/66,189.36
  6. Step 6: Final answer
    x = 43,116.79

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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.