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Finding the Fourth Proportional to 89,874.48, 134,814.96 and 33,708.90

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Solution

The fourth proportional to 89,874.48, 134,814.96 and 33,708.90 is: 50,564.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,874.48 : 134,814.96 = 33,708.90 : x
  2. Step 2: Convert to fraction form
    89,874.48/134,814.96 = 33,708.90/x
  3. Step 3: Cross multiply
    89,874.48x = 134,814.96 × 33,708.90
  4. Step 4: Simplify right side
    89,874.48x = 4,544,464,005.14
  5. Step 5: Solve for x
    x = 4,544,464,005.14/89,874.48
  6. Step 6: Final answer
    x = 50,564.57

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1.5x scale

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.