Home / 68,020.89-101,516.96-66,249.42

Finding the Fourth Proportional to 68,020.89, 101,516.96 and 66,249.42

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Solution

The fourth proportional to 68,020.89, 101,516.96 and 66,249.42 is: 98,873.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,020.89 : 101,516.96 = 66,249.42 : x
  2. Step 2: Convert to fraction form
    68,020.89/101,516.96 = 66,249.42/x
  3. Step 3: Cross multiply
    68,020.89x = 101,516.96 × 66,249.42
  4. Step 4: Simplify right side
    68,020.89x = 6,725,439,885.79
  5. Step 5: Solve for x
    x = 6,725,439,885.79/68,020.89
  6. Step 6: Final answer
    x = 98,873.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.