Home / 99,015.30-148,544.82-49,122.54

Finding the Fourth Proportional to 99,015.30, 148,544.82 and 49,122.54

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Solution

The fourth proportional to 99,015.30, 148,544.82 and 49,122.54 is: 73,694.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,015.30 : 148,544.82 = 49,122.54 : x
  2. Step 2: Convert to fraction form
    99,015.30/148,544.82 = 49,122.54/x
  3. Step 3: Cross multiply
    99,015.30x = 148,544.82 × 49,122.54
  4. Step 4: Simplify right side
    99,015.30x = 7,296,898,862.24
  5. Step 5: Solve for x
    x = 7,296,898,862.24/99,015.30
  6. Step 6: Final answer
    x = 73,694.66

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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.