Home / 89,909.06-134,863.62-30,745.28

Finding the Fourth Proportional to 89,909.06, 134,863.62 and 30,745.28

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Solution

The fourth proportional to 89,909.06, 134,863.62 and 30,745.28 is: 46,117.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,909.06 : 134,863.62 = 30,745.28 : x
  2. Step 2: Convert to fraction form
    89,909.06/134,863.62 = 30,745.28/x
  3. Step 3: Cross multiply
    89,909.06x = 134,863.62 × 30,745.28
  4. Step 4: Simplify right side
    89,909.06x = 4,146,419,758.71
  5. Step 5: Solve for x
    x = 4,146,419,758.71/89,909.06
  6. Step 6: Final answer
    x = 46,117.93

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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.