Home / 66,805.11-100,216.89-22,444.55

Finding the Fourth Proportional to 66,805.11, 100,216.89 and 22,444.55

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Solution

The fourth proportional to 66,805.11, 100,216.89 and 22,444.55 is: 33,669.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,805.11 : 100,216.89 = 22,444.55 : x
  2. Step 2: Convert to fraction form
    66,805.11/100,216.89 = 22,444.55/x
  3. Step 3: Cross multiply
    66,805.11x = 100,216.89 × 22,444.55
  4. Step 4: Simplify right side
    66,805.11x = 2,249,322,385.14
  5. Step 5: Solve for x
    x = 2,249,322,385.14/66,805.11
  6. Step 6: Final answer
    x = 33,669.92

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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.