Home / 85,616.24-118,179.58-49,836.32

Finding the Fourth Proportional to 85,616.24, 118,179.58 and 49,836.32

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Solution

The fourth proportional to 85,616.24, 118,179.58 and 49,836.32 is: 68,791.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,616.24 : 118,179.58 = 49,836.32 : x
  2. Step 2: Convert to fraction form
    85,616.24/118,179.58 = 49,836.32/x
  3. Step 3: Cross multiply
    85,616.24x = 118,179.58 × 49,836.32
  4. Step 4: Simplify right side
    85,616.24x = 5,889,635,366.35
  5. Step 5: Solve for x
    x = 5,889,635,366.35/85,616.24
  6. Step 6: Final answer
    x = 68,791.10

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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.