Home / 87,830.94-131,488.02-54,443.82

Finding the Fourth Proportional to 87,830.94, 131,488.02 and 54,443.82

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Solution

The fourth proportional to 87,830.94, 131,488.02 and 54,443.82 is: 81,505.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,830.94 : 131,488.02 = 54,443.82 : x
  2. Step 2: Convert to fraction form
    87,830.94/131,488.02 = 54,443.82/x
  3. Step 3: Cross multiply
    87,830.94x = 131,488.02 × 54,443.82
  4. Step 4: Simplify right side
    87,830.94x = 7,158,710,093.04
  5. Step 5: Solve for x
    x = 7,158,710,093.04/87,830.94
  6. Step 6: Final answer
    x = 81,505.56

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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.