Home / 66,198.68-99,298.04-19,451.56

Finding the Fourth Proportional to 66,198.68, 99,298.04 and 19,451.56

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Solution

The fourth proportional to 66,198.68, 99,298.04 and 19,451.56 is: 29,177.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,198.68 : 99,298.04 = 19,451.56 : x
  2. Step 2: Convert to fraction form
    66,198.68/99,298.04 = 19,451.56/x
  3. Step 3: Cross multiply
    66,198.68x = 99,298.04 × 19,451.56
  4. Step 4: Simplify right side
    66,198.68x = 1,931,501,782.94
  5. Step 5: Solve for x
    x = 1,931,501,782.94/66,198.68
  6. Step 6: Final answer
    x = 29,177.35

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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.