Home / 89,528.60-123,571.04-51,310.55

Finding the Fourth Proportional to 89,528.60, 123,571.04 and 51,310.55

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Solution

The fourth proportional to 89,528.60, 123,571.04 and 51,310.55 is: 70,820.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,528.60 : 123,571.04 = 51,310.55 : x
  2. Step 2: Convert to fraction form
    89,528.60/123,571.04 = 51,310.55/x
  3. Step 3: Cross multiply
    89,528.60x = 123,571.04 × 51,310.55
  4. Step 4: Simplify right side
    89,528.60x = 6,340,498,338.01
  5. Step 5: Solve for x
    x = 6,340,498,338.01/89,528.60
  6. Step 6: Final answer
    x = 70,820.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.