Home / 86,983.56-130,494.78-27,822.78

Finding the Fourth Proportional to 86,983.56, 130,494.78 and 27,822.78

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Solution

The fourth proportional to 86,983.56, 130,494.78 and 27,822.78 is: 41,740.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,983.56 : 130,494.78 = 27,822.78 : x
  2. Step 2: Convert to fraction form
    86,983.56/130,494.78 = 27,822.78/x
  3. Step 3: Cross multiply
    86,983.56x = 130,494.78 × 27,822.78
  4. Step 4: Simplify right side
    86,983.56x = 3,630,727,555.09
  5. Step 5: Solve for x
    x = 3,630,727,555.09/86,983.56
  6. Step 6: Final answer
    x = 41,740.39

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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.