Home / 99,896.12-149,843.64-40,731.56

Finding the Fourth Proportional to 99,896.12, 149,843.64 and 40,731.56

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Solution

The fourth proportional to 99,896.12, 149,843.64 and 40,731.56 is: 61,097.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,896.12 : 149,843.64 = 40,731.56 : x
  2. Step 2: Convert to fraction form
    99,896.12/149,843.64 = 40,731.56/x
  3. Step 3: Cross multiply
    99,896.12x = 149,843.64 × 40,731.56
  4. Step 4: Simplify right side
    99,896.12x = 6,103,365,213.28
  5. Step 5: Solve for x
    x = 6,103,365,213.28/99,896.12
  6. Step 6: Final answer
    x = 61,097.12

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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.