Home / 57,176.10-85,764.15-38,513.70

Finding the Fourth Proportional to 57,176.10, 85,764.15 and 38,513.70

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Solution

The fourth proportional to 57,176.10, 85,764.15 and 38,513.70 is: 57,770.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,176.10 : 85,764.15 = 38,513.70 : x
  2. Step 2: Convert to fraction form
    57,176.10/85,764.15 = 38,513.70/x
  3. Step 3: Cross multiply
    57,176.10x = 85,764.15 × 38,513.70
  4. Step 4: Simplify right side
    57,176.10x = 3,303,094,743.86
  5. Step 5: Solve for x
    x = 3,303,094,743.86/57,176.10
  6. Step 6: Final answer
    x = 57,770.55

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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.