Home / 66,542.66-99,730.92-33,272.23

Finding the Fourth Proportional to 66,542.66, 99,730.92 and 33,272.23

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Solution

The fourth proportional to 66,542.66, 99,730.92 and 33,272.23 is: 49,866.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,542.66 : 99,730.92 = 33,272.23 : x
  2. Step 2: Convert to fraction form
    66,542.66/99,730.92 = 33,272.23/x
  3. Step 3: Cross multiply
    66,542.66x = 99,730.92 × 33,272.23
  4. Step 4: Simplify right side
    66,542.66x = 3,318,270,108.35
  5. Step 5: Solve for x
    x = 3,318,270,108.35/66,542.66
  6. Step 6: Final answer
    x = 49,866.81

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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.