Home / 86,918.15-130,376.12-27,753.07

Finding the Fourth Proportional to 86,918.15, 130,376.12 and 27,753.07

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Solution

The fourth proportional to 86,918.15, 130,376.12 and 27,753.07 is: 41,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,918.15 : 130,376.12 = 27,753.07 : x
  2. Step 2: Convert to fraction form
    86,918.15/130,376.12 = 27,753.07/x
  3. Step 3: Cross multiply
    86,918.15x = 130,376.12 × 27,753.07
  4. Step 4: Simplify right side
    86,918.15x = 3,618,336,863.43
  5. Step 5: Solve for x
    x = 3,618,336,863.43/86,918.15
  6. Step 6: Final answer
    x = 41,629.25

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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.