Home / 89,708.11-134,565.35-30,536.09

Finding the Fourth Proportional to 89,708.11, 134,565.35 and 30,536.09

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Solution

The fourth proportional to 89,708.11, 134,565.35 and 30,536.09 is: 45,805.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,708.11 : 134,565.35 = 30,536.09 : x
  2. Step 2: Convert to fraction form
    89,708.11/134,565.35 = 30,536.09/x
  3. Step 3: Cross multiply
    89,708.11x = 134,565.35 × 30,536.09
  4. Step 4: Simplify right side
    89,708.11x = 4,109,099,489.36
  5. Step 5: Solve for x
    x = 4,109,099,489.36/89,708.11
  6. Step 6: Final answer
    x = 45,805.22

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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.