Home / 87,555.80-131,285.10-34,905.80

Finding the Fourth Proportional to 87,555.80, 131,285.10 and 34,905.80

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Solution

The fourth proportional to 87,555.80, 131,285.10 and 34,905.80 is: 52,339.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,555.80 : 131,285.10 = 34,905.80 : x
  2. Step 2: Convert to fraction form
    87,555.80/131,285.10 = 34,905.80/x
  3. Step 3: Cross multiply
    87,555.80x = 131,285.10 × 34,905.80
  4. Step 4: Simplify right side
    87,555.80x = 4,582,611,443.58
  5. Step 5: Solve for x
    x = 4,582,611,443.58/87,555.80
  6. Step 6: Final answer
    x = 52,339.32

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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.