Home / 85,454.92-117,924.14-49,153.60

Finding the Fourth Proportional to 85,454.92, 117,924.14 and 49,153.60

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Solution

The fourth proportional to 85,454.92, 117,924.14 and 49,153.60 is: 67,829.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,454.92 : 117,924.14 = 49,153.60 : x
  2. Step 2: Convert to fraction form
    85,454.92/117,924.14 = 49,153.60/x
  3. Step 3: Cross multiply
    85,454.92x = 117,924.14 × 49,153.60
  4. Step 4: Simplify right side
    85,454.92x = 5,796,396,007.90
  5. Step 5: Solve for x
    x = 5,796,396,007.90/85,454.92
  6. Step 6: Final answer
    x = 67,829.87

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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.