Home / 86,787.86-130,182.87-27,623.30

Finding the Fourth Proportional to 86,787.86, 130,182.87 and 27,623.30

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Solution

The fourth proportional to 86,787.86, 130,182.87 and 27,623.30 is: 41,435.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,787.86 : 130,182.87 = 27,623.30 : x
  2. Step 2: Convert to fraction form
    86,787.86/130,182.87 = 27,623.30/x
  3. Step 3: Cross multiply
    86,787.86x = 130,182.87 × 27,623.30
  4. Step 4: Simplify right side
    86,787.86x = 3,596,080,472.87
  5. Step 5: Solve for x
    x = 3,596,080,472.87/86,787.86
  6. Step 6: Final answer
    x = 41,435.29

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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.