Home / 86,946.12-119,992.32-49,226.04

Finding the Fourth Proportional to 86,946.12, 119,992.32 and 49,226.04

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Solution

The fourth proportional to 86,946.12, 119,992.32 and 49,226.04 is: 67,935.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,946.12 : 119,992.32 = 49,226.04 : x
  2. Step 2: Convert to fraction form
    86,946.12/119,992.32 = 49,226.04/x
  3. Step 3: Cross multiply
    86,946.12x = 119,992.32 × 49,226.04
  4. Step 4: Simplify right side
    86,946.12x = 5,906,746,744.01
  5. Step 5: Solve for x
    x = 5,906,746,744.01/86,946.12
  6. Step 6: Final answer
    x = 67,935.71

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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.