Home / 86,972.58-130,450.66-27,792.36

Finding the Fourth Proportional to 86,972.58, 130,450.66 and 27,792.36

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Solution

The fourth proportional to 86,972.58, 130,450.66 and 27,792.36 is: 41,685.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,972.58 : 130,450.66 = 27,792.36 : x
  2. Step 2: Convert to fraction form
    86,972.58/130,450.66 = 27,792.36/x
  3. Step 3: Cross multiply
    86,972.58x = 130,450.66 × 27,792.36
  4. Step 4: Simplify right side
    86,972.58x = 3,625,531,635.48
  5. Step 5: Solve for x
    x = 3,625,531,635.48/86,972.58
  6. Step 6: Final answer
    x = 41,685.92

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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.