Home / 86,944.65-130,388.82-27,766.32

Finding the Fourth Proportional to 86,944.65, 130,388.82 and 27,766.32

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Solution

The fourth proportional to 86,944.65, 130,388.82 and 27,766.32 is: 41,640.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,944.65 : 130,388.82 = 27,766.32 : x
  2. Step 2: Convert to fraction form
    86,944.65/130,388.82 = 27,766.32/x
  3. Step 3: Cross multiply
    86,944.65x = 130,388.82 × 27,766.32
  4. Step 4: Simplify right side
    86,944.65x = 3,620,417,700.54
  5. Step 5: Solve for x
    x = 3,620,417,700.54/86,944.65
  6. Step 6: Final answer
    x = 41,640.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.