Home / 57,180.42-85,778.94-17,740.68

Finding the Fourth Proportional to 57,180.42, 85,778.94 and 17,740.68

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Solution

The fourth proportional to 57,180.42, 85,778.94 and 17,740.68 is: 26,613.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,180.42 : 85,778.94 = 17,740.68 : x
  2. Step 2: Convert to fraction form
    57,180.42/85,778.94 = 17,740.68/x
  3. Step 3: Cross multiply
    57,180.42x = 85,778.94 × 17,740.68
  4. Step 4: Simplify right side
    57,180.42x = 1,521,776,725.28
  5. Step 5: Solve for x
    x = 1,521,776,725.28/57,180.42
  6. Step 6: Final answer
    x = 26,613.60

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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.