Home / 86,927.02-130,379.64-27,757.78

Finding the Fourth Proportional to 86,927.02, 130,379.64 and 27,757.78

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Solution

The fourth proportional to 86,927.02, 130,379.64 and 27,757.78 is: 41,633.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,927.02 : 130,379.64 = 27,757.78 : x
  2. Step 2: Convert to fraction form
    86,927.02/130,379.64 = 27,757.78/x
  3. Step 3: Cross multiply
    86,927.02x = 130,379.64 × 27,757.78
  4. Step 4: Simplify right side
    86,927.02x = 3,619,049,363.60
  5. Step 5: Solve for x
    x = 3,619,049,363.60/86,927.02
  6. Step 6: Final answer
    x = 41,633.19

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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.