Home / 89,815.68-123,951.20-49,529.39

Finding the Fourth Proportional to 89,815.68, 123,951.20 and 49,529.39

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Solution

The fourth proportional to 89,815.68, 123,951.20 and 49,529.39 is: 68,353.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,815.68 : 123,951.20 = 49,529.39 : x
  2. Step 2: Convert to fraction form
    89,815.68/123,951.20 = 49,529.39/x
  3. Step 3: Cross multiply
    89,815.68x = 123,951.20 × 49,529.39
  4. Step 4: Simplify right side
    89,815.68x = 6,139,226,458.37
  5. Step 5: Solve for x
    x = 6,139,226,458.37/89,815.68
  6. Step 6: Final answer
    x = 68,353.62

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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.