Home / 89,790.60-123,908.72-49,503.44

Finding the Fourth Proportional to 89,790.60, 123,908.72 and 49,503.44

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Solution

The fourth proportional to 89,790.60, 123,908.72 and 49,503.44 is: 68,313.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,790.60 : 123,908.72 = 49,503.44 : x
  2. Step 2: Convert to fraction form
    89,790.60/123,908.72 = 49,503.44/x
  3. Step 3: Cross multiply
    89,790.60x = 123,908.72 × 49,503.44
  4. Step 4: Simplify right side
    89,790.60x = 6,133,907,886.00
  5. Step 5: Solve for x
    x = 6,133,907,886.00/89,790.60
  6. Step 6: Final answer
    x = 68,313.47

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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.