Home / 85,234.68-117,649.67-49,433.49

Finding the Fourth Proportional to 85,234.68, 117,649.67 and 49,433.49

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Solution

The fourth proportional to 85,234.68, 117,649.67 and 49,433.49 is: 68,233.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,234.68 : 117,649.67 = 49,433.49 : x
  2. Step 2: Convert to fraction form
    85,234.68/117,649.67 = 49,433.49/x
  3. Step 3: Cross multiply
    85,234.68x = 117,649.67 × 49,433.49
  4. Step 4: Simplify right side
    85,234.68x = 5,815,833,538.28
  5. Step 5: Solve for x
    x = 5,815,833,538.28/85,234.68
  6. Step 6: Final answer
    x = 68,233.18

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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.