Home / 66,201.41-99,296.71-21,827.45

Finding the Fourth Proportional to 66,201.41, 99,296.71 and 21,827.45

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Solution

The fourth proportional to 66,201.41, 99,296.71 and 21,827.45 is: 32,739.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,201.41 : 99,296.71 = 21,827.45 : x
  2. Step 2: Convert to fraction form
    66,201.41/99,296.71 = 21,827.45/x
  3. Step 3: Cross multiply
    66,201.41x = 99,296.71 × 21,827.45
  4. Step 4: Simplify right side
    66,201.41x = 2,167,393,972.69
  5. Step 5: Solve for x
    x = 2,167,393,972.69/66,201.41
  6. Step 6: Final answer
    x = 32,739.39

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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.