Home / 85,212.17-117,593.24-48,903.85

Finding the Fourth Proportional to 85,212.17, 117,593.24 and 48,903.85

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Solution

The fourth proportional to 85,212.17, 117,593.24 and 48,903.85 is: 67,487.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,212.17 : 117,593.24 = 48,903.85 : x
  2. Step 2: Convert to fraction form
    85,212.17/117,593.24 = 48,903.85/x
  3. Step 3: Cross multiply
    85,212.17x = 117,593.24 × 48,903.85
  4. Step 4: Simplify right side
    85,212.17x = 5,750,762,169.97
  5. Step 5: Solve for x
    x = 5,750,762,169.97/85,212.17
  6. Step 6: Final answer
    x = 67,487.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.