Home / 86,817.30-130,233.15-27,651.30

Finding the Fourth Proportional to 86,817.30, 130,233.15 and 27,651.30

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Solution

The fourth proportional to 86,817.30, 130,233.15 and 27,651.30 is: 41,479.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,817.30 : 130,233.15 = 27,651.30 : x
  2. Step 2: Convert to fraction form
    86,817.30/130,233.15 = 27,651.30/x
  3. Step 3: Cross multiply
    86,817.30x = 130,233.15 × 27,651.30
  4. Step 4: Simplify right side
    86,817.30x = 3,601,115,900.60
  5. Step 5: Solve for x
    x = 3,601,115,900.60/86,817.30
  6. Step 6: Final answer
    x = 41,479.24

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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.