Home / 66,179.20-99,212.97-28,711.06

Finding the Fourth Proportional to 66,179.20, 99,212.97 and 28,711.06

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Solution

The fourth proportional to 66,179.20, 99,212.97 and 28,711.06 is: 43,042.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,179.20 : 99,212.97 = 28,711.06 : x
  2. Step 2: Convert to fraction form
    66,179.20/99,212.97 = 28,711.06/x
  3. Step 3: Cross multiply
    66,179.20x = 99,212.97 × 28,711.06
  4. Step 4: Simplify right side
    66,179.20x = 2,848,509,534.45
  5. Step 5: Solve for x
    x = 2,848,509,534.45/66,179.20
  6. Step 6: Final answer
    x = 43,042.37

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1.5x scale

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.