Home / 66,905.33-100,364.27-24,221.43

Finding the Fourth Proportional to 66,905.33, 100,364.27 and 24,221.43

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Solution

The fourth proportional to 66,905.33, 100,364.27 and 24,221.43 is: 36,334.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,905.33 : 100,364.27 = 24,221.43 : x
  2. Step 2: Convert to fraction form
    66,905.33/100,364.27 = 24,221.43/x
  3. Step 3: Cross multiply
    66,905.33x = 100,364.27 × 24,221.43
  4. Step 4: Simplify right side
    66,905.33x = 2,430,966,019.20
  5. Step 5: Solve for x
    x = 2,430,966,019.20/66,905.33
  6. Step 6: Final answer
    x = 36,334.42

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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.