Home / 99,021.96-148,537.98-28,906.56

Finding the Fourth Proportional to 99,021.96, 148,537.98 and 28,906.56

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Solution

The fourth proportional to 99,021.96, 148,537.98 and 28,906.56 is: 43,361.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,021.96 : 148,537.98 = 28,906.56 : x
  2. Step 2: Convert to fraction form
    99,021.96/148,537.98 = 28,906.56/x
  3. Step 3: Cross multiply
    99,021.96x = 148,537.98 × 28,906.56
  4. Step 4: Simplify right side
    99,021.96x = 4,293,722,031.15
  5. Step 5: Solve for x
    x = 4,293,722,031.15/99,021.96
  6. Step 6: Final answer
    x = 43,361.31

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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.