Home / 89,403.12-123,346.22-50,635.66

Finding the Fourth Proportional to 89,403.12, 123,346.22 and 50,635.66

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Solution

The fourth proportional to 89,403.12, 123,346.22 and 50,635.66 is: 69,860.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,403.12 : 123,346.22 = 50,635.66 : x
  2. Step 2: Convert to fraction form
    89,403.12/123,346.22 = 50,635.66/x
  3. Step 3: Cross multiply
    89,403.12x = 123,346.22 × 50,635.66
  4. Step 4: Simplify right side
    89,403.12x = 6,245,717,005.03
  5. Step 5: Solve for x
    x = 6,245,717,005.03/89,403.12
  6. Step 6: Final answer
    x = 69,860.17

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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.