Home / 89,590.46-134,358.35-30,412.97

Finding the Fourth Proportional to 89,590.46, 134,358.35 and 30,412.97

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Solution

The fourth proportional to 89,590.46, 134,358.35 and 30,412.97 is: 45,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,590.46 : 134,358.35 = 30,412.97 : x
  2. Step 2: Convert to fraction form
    89,590.46/134,358.35 = 30,412.97/x
  3. Step 3: Cross multiply
    89,590.46x = 134,358.35 × 30,412.97
  4. Step 4: Simplify right side
    89,590.46x = 4,086,236,147.79
  5. Step 5: Solve for x
    x = 4,086,236,147.79/89,590.46
  6. Step 6: Final answer
    x = 45,610.17

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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.