Home / 66,613.28-99,926.60-19,229.54

Finding the Fourth Proportional to 66,613.28, 99,926.60 and 19,229.54

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Solution

The fourth proportional to 66,613.28, 99,926.60 and 19,229.54 is: 28,846.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,613.28 : 99,926.60 = 19,229.54 : x
  2. Step 2: Convert to fraction form
    66,613.28/99,926.60 = 19,229.54/x
  3. Step 3: Cross multiply
    66,613.28x = 99,926.60 × 19,229.54
  4. Step 4: Simplify right side
    66,613.28x = 1,921,541,955.98
  5. Step 5: Solve for x
    x = 1,921,541,955.98/66,613.28
  6. Step 6: Final answer
    x = 28,846.23

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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.