Home / 111,705.43-154,115.76-63,302.26

Finding the Fourth Proportional to 111,705.43, 154,115.76 and 63,302.26

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Solution

The fourth proportional to 111,705.43, 154,115.76 and 63,302.26 is: 87,335.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,705.43 : 154,115.76 = 63,302.26 : x
  2. Step 2: Convert to fraction form
    111,705.43/154,115.76 = 63,302.26/x
  3. Step 3: Cross multiply
    111,705.43x = 154,115.76 × 63,302.26
  4. Step 4: Simplify right side
    111,705.43x = 9,755,876,050.68
  5. Step 5: Solve for x
    x = 9,755,876,050.68/111,705.43
  6. Step 6: Final answer
    x = 87,335.74

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.