Home / 86,963.58-130,381.47-27,765.09

Finding the Fourth Proportional to 86,963.58, 130,381.47 and 27,765.09

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Solution

The fourth proportional to 86,963.58, 130,381.47 and 27,765.09 is: 41,627.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,963.58 : 130,381.47 = 27,765.09 : x
  2. Step 2: Convert to fraction form
    86,963.58/130,381.47 = 27,765.09/x
  3. Step 3: Cross multiply
    86,963.58x = 130,381.47 × 27,765.09
  4. Step 4: Simplify right side
    86,963.58x = 3,620,053,248.88
  5. Step 5: Solve for x
    x = 3,620,053,248.88/86,963.58
  6. Step 6: Final answer
    x = 41,627.23

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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.