Home / 89,815.85-123,939.53-49,528.73

Finding the Fourth Proportional to 89,815.85, 123,939.53 and 49,528.73

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Solution

The fourth proportional to 89,815.85, 123,939.53 and 49,528.73 is: 68,346.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.85 : 123,939.53 = 49,528.73 : x
  2. Step 2: Convert to fraction form
    89,815.85/123,939.53 = 49,528.73/x
  3. Step 3: Cross multiply
    89,815.85x = 123,939.53 × 49,528.73
  4. Step 4: Simplify right side
    89,815.85x = 6,138,567,765.63
  5. Step 5: Solve for x
    x = 6,138,567,765.63/89,815.85
  6. Step 6: Final answer
    x = 68,346.15

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1.5x scale

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.