Home / 89,914.30-134,874.34-47,208.91

Finding the Fourth Proportional to 89,914.30, 134,874.34 and 47,208.91

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Solution

The fourth proportional to 89,914.30, 134,874.34 and 47,208.91 is: 70,814.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,914.30 : 134,874.34 = 47,208.91 : x
  2. Step 2: Convert to fraction form
    89,914.30/134,874.34 = 47,208.91/x
  3. Step 3: Cross multiply
    89,914.30x = 134,874.34 × 47,208.91
  4. Step 4: Simplify right side
    89,914.30x = 6,367,270,224.33
  5. Step 5: Solve for x
    x = 6,367,270,224.33/89,914.30
  6. Step 6: Final answer
    x = 70,814.88

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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.