Home / 57,166.75-85,750.43-15,613.75

Finding the Fourth Proportional to 57,166.75, 85,750.43 and 15,613.75

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Solution

The fourth proportional to 57,166.75, 85,750.43 and 15,613.75 is: 23,420.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,166.75 : 85,750.43 = 15,613.75 : x
  2. Step 2: Convert to fraction form
    57,166.75/85,750.43 = 15,613.75/x
  3. Step 3: Cross multiply
    57,166.75x = 85,750.43 × 15,613.75
  4. Step 4: Simplify right side
    57,166.75x = 1,338,885,776.41
  5. Step 5: Solve for x
    x = 1,338,885,776.41/57,166.75
  6. Step 6: Final answer
    x = 23,420.71

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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.