Home / 66,890.14-100,345.59-22,513.43

Finding the Fourth Proportional to 66,890.14, 100,345.59 and 22,513.43

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Solution

The fourth proportional to 66,890.14, 100,345.59 and 22,513.43 is: 33,773.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,890.14 : 100,345.59 = 22,513.43 : x
  2. Step 2: Convert to fraction form
    66,890.14/100,345.59 = 22,513.43/x
  3. Step 3: Cross multiply
    66,890.14x = 100,345.59 × 22,513.43
  4. Step 4: Simplify right side
    66,890.14x = 2,259,123,667.14
  5. Step 5: Solve for x
    x = 2,259,123,667.14/66,890.14
  6. Step 6: Final answer
    x = 33,773.64

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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.