Home / 99,705.29-149,525.57-33,127.54

Finding the Fourth Proportional to 99,705.29, 149,525.57 and 33,127.54

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Solution

The fourth proportional to 99,705.29, 149,525.57 and 33,127.54 is: 49,680.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,705.29 : 149,525.57 = 33,127.54 : x
  2. Step 2: Convert to fraction form
    99,705.29/149,525.57 = 33,127.54/x
  3. Step 3: Cross multiply
    99,705.29x = 149,525.57 × 33,127.54
  4. Step 4: Simplify right side
    99,705.29x = 4,953,414,010.20
  5. Step 5: Solve for x
    x = 4,953,414,010.20/99,705.29
  6. Step 6: Final answer
    x = 49,680.56

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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.