Home / 89,503.43-123,515.01-49,219.70

Finding the Fourth Proportional to 89,503.43, 123,515.01 and 49,219.70

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Solution

The fourth proportional to 89,503.43, 123,515.01 and 49,219.70 is: 67,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,503.43 : 123,515.01 = 49,219.70 : x
  2. Step 2: Convert to fraction form
    89,503.43/123,515.01 = 49,219.70/x
  3. Step 3: Cross multiply
    89,503.43x = 123,515.01 × 49,219.70
  4. Step 4: Simplify right side
    89,503.43x = 6,079,371,120.12
  5. Step 5: Solve for x
    x = 6,079,371,120.12/89,503.43
  6. Step 6: Final answer
    x = 67,923.34

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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.