Home / 86,827.38-130,251.46-30,655.94

Finding the Fourth Proportional to 86,827.38, 130,251.46 and 30,655.94

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Solution

The fourth proportional to 86,827.38, 130,251.46 and 30,655.94 is: 45,987.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,827.38 : 130,251.46 = 30,655.94 : x
  2. Step 2: Convert to fraction form
    86,827.38/130,251.46 = 30,655.94/x
  3. Step 3: Cross multiply
    86,827.38x = 130,251.46 × 30,655.94
  4. Step 4: Simplify right side
    86,827.38x = 3,992,980,942.67
  5. Step 5: Solve for x
    x = 3,992,980,942.67/86,827.38
  6. Step 6: Final answer
    x = 45,987.58

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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.