Home / 99,015.22-148,531.56-27,938.49

Finding the Fourth Proportional to 99,015.22, 148,531.56 and 27,938.49

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Solution

The fourth proportional to 99,015.22, 148,531.56 and 27,938.49 is: 41,910.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015.22 : 148,531.56 = 27,938.49 : x
  2. Step 2: Convert to fraction form
    99,015.22/148,531.56 = 27,938.49/x
  3. Step 3: Cross multiply
    99,015.22x = 148,531.56 × 27,938.49
  4. Step 4: Simplify right side
    99,015.22x = 4,149,747,503.74
  5. Step 5: Solve for x
    x = 4,149,747,503.74/99,015.22
  6. Step 6: Final answer
    x = 41,910.20

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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.