Home / 85,049.18-117,382.26-49,260.98

Finding the Fourth Proportional to 85,049.18, 117,382.26 and 49,260.98

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Solution

The fourth proportional to 85,049.18, 117,382.26 and 49,260.98 is: 67,988.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,049.18 : 117,382.26 = 49,260.98 : x
  2. Step 2: Convert to fraction form
    85,049.18/117,382.26 = 49,260.98/x
  3. Step 3: Cross multiply
    85,049.18x = 117,382.26 × 49,260.98
  4. Step 4: Simplify right side
    85,049.18x = 5,782,365,162.21
  5. Step 5: Solve for x
    x = 5,782,365,162.21/85,049.18
  6. Step 6: Final answer
    x = 67,988.49

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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.