Home / 89,919.54-134,899.97-30,755.12

Finding the Fourth Proportional to 89,919.54, 134,899.97 and 30,755.12

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Solution

The fourth proportional to 89,919.54, 134,899.97 and 30,755.12 is: 46,139.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,919.54 : 134,899.97 = 30,755.12 : x
  2. Step 2: Convert to fraction form
    89,919.54/134,899.97 = 30,755.12/x
  3. Step 3: Cross multiply
    89,919.54x = 134,899.97 × 30,755.12
  4. Step 4: Simplify right side
    89,919.54x = 4,148,863,937.07
  5. Step 5: Solve for x
    x = 4,148,863,937.07/89,919.54
  6. Step 6: Final answer
    x = 46,139.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.