Home / 89,487.21-123,476.30-50,725.17

Finding the Fourth Proportional to 89,487.21, 123,476.30 and 50,725.17

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Solution

The fourth proportional to 89,487.21, 123,476.30 and 50,725.17 is: 69,991.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,487.21 : 123,476.30 = 50,725.17 : x
  2. Step 2: Convert to fraction form
    89,487.21/123,476.30 = 50,725.17/x
  3. Step 3: Cross multiply
    89,487.21x = 123,476.30 × 50,725.17
  4. Step 4: Simplify right side
    89,487.21x = 6,263,356,245.06
  5. Step 5: Solve for x
    x = 6,263,356,245.06/89,487.21
  6. Step 6: Final answer
    x = 69,991.63

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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.