Home / 86,939.54-130,345.52-27,741.09

Finding the Fourth Proportional to 86,939.54, 130,345.52 and 27,741.09

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Solution

The fourth proportional to 86,939.54, 130,345.52 and 27,741.09 is: 41,591.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,939.54 : 130,345.52 = 27,741.09 : x
  2. Step 2: Convert to fraction form
    86,939.54/130,345.52 = 27,741.09/x
  3. Step 3: Cross multiply
    86,939.54x = 130,345.52 × 27,741.09
  4. Step 4: Simplify right side
    86,939.54x = 3,615,926,662.71
  5. Step 5: Solve for x
    x = 3,615,926,662.71/86,939.54
  6. Step 6: Final answer
    x = 41,591.28

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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.