Home / 86,942.59-130,426.13-27,765.07

Finding the Fourth Proportional to 86,942.59, 130,426.13 and 27,765.07

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Solution

The fourth proportional to 86,942.59, 130,426.13 and 27,765.07 is: 41,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,942.59 : 130,426.13 = 27,765.07 : x
  2. Step 2: Convert to fraction form
    86,942.59/130,426.13 = 27,765.07/x
  3. Step 3: Cross multiply
    86,942.59x = 130,426.13 × 27,765.07
  4. Step 4: Simplify right side
    86,942.59x = 3,621,290,372.63
  5. Step 5: Solve for x
    x = 3,621,290,372.63/86,942.59
  6. Step 6: Final answer
    x = 41,651.51

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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.