Home / 86,975.10-130,470.84-27,796.71

Finding the Fourth Proportional to 86,975.10, 130,470.84 and 27,796.71

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Solution

The fourth proportional to 86,975.10, 130,470.84 and 27,796.71 is: 41,697.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,975.10 : 130,470.84 = 27,796.71 : x
  2. Step 2: Convert to fraction form
    86,975.10/130,470.84 = 27,796.71/x
  3. Step 3: Cross multiply
    86,975.10x = 130,470.84 × 27,796.71
  4. Step 4: Simplify right side
    86,975.10x = 3,626,660,102.94
  5. Step 5: Solve for x
    x = 3,626,660,102.94/86,975.10
  6. Step 6: Final answer
    x = 41,697.68

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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.