Home / 66,255.58-99,393.22-21,887.02

Finding the Fourth Proportional to 66,255.58, 99,393.22 and 21,887.02

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Solution

The fourth proportional to 66,255.58, 99,393.22 and 21,887.02 is: 32,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,255.58 : 99,393.22 = 21,887.02 : x
  2. Step 2: Convert to fraction form
    66,255.58/99,393.22 = 21,887.02/x
  3. Step 3: Cross multiply
    66,255.58x = 99,393.22 × 21,887.02
  4. Step 4: Simplify right side
    66,255.58x = 2,175,421,394.00
  5. Step 5: Solve for x
    x = 2,175,421,394.00/66,255.58
  6. Step 6: Final answer
    x = 32,833.78

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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.