Home / 89,231.84-123,137.71-50,988.95

Finding the Fourth Proportional to 89,231.84, 123,137.71 and 50,988.95

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Solution

The fourth proportional to 89,231.84, 123,137.71 and 50,988.95 is: 70,363.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,231.84 : 123,137.71 = 50,988.95 : x
  2. Step 2: Convert to fraction form
    89,231.84/123,137.71 = 50,988.95/x
  3. Step 3: Cross multiply
    89,231.84x = 123,137.71 × 50,988.95
  4. Step 4: Simplify right side
    89,231.84x = 6,278,662,718.68
  5. Step 5: Solve for x
    x = 6,278,662,718.68/89,231.84
  6. Step 6: Final answer
    x = 70,363.48

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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.