Home / 87,272.10-130,870.89-33,201.36

Finding the Fourth Proportional to 87,272.10, 130,870.89 and 33,201.36

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Solution

The fourth proportional to 87,272.10, 130,870.89 and 33,201.36 is: 49,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,272.10 : 130,870.89 = 33,201.36 : x
  2. Step 2: Convert to fraction form
    87,272.10/130,870.89 = 33,201.36/x
  3. Step 3: Cross multiply
    87,272.10x = 130,870.89 × 33,201.36
  4. Step 4: Simplify right side
    87,272.10x = 4,345,091,532.41
  5. Step 5: Solve for x
    x = 4,345,091,532.41/87,272.10
  6. Step 6: Final answer
    x = 49,787.86

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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.