Home / 87,874.28-131,722.65-34,603.64

Finding the Fourth Proportional to 87,874.28, 131,722.65 and 34,603.64

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Solution

The fourth proportional to 87,874.28, 131,722.65 and 34,603.64 is: 51,870.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,874.28 : 131,722.65 = 34,603.64 : x
  2. Step 2: Convert to fraction form
    87,874.28/131,722.65 = 34,603.64/x
  3. Step 3: Cross multiply
    87,874.28x = 131,722.65 × 34,603.64
  4. Step 4: Simplify right side
    87,874.28x = 4,558,082,415.32
  5. Step 5: Solve for x
    x = 4,558,082,415.32/87,874.28
  6. Step 6: Final answer
    x = 51,870.50

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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.