Home / 78,845.16-108,801.68-43,027.96

Finding the Fourth Proportional to 78,845.16, 108,801.68 and 43,027.96

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Solution

The fourth proportional to 78,845.16, 108,801.68 and 43,027.96 is: 59,376.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,845.16 : 108,801.68 = 43,027.96 : x
  2. Step 2: Convert to fraction form
    78,845.16/108,801.68 = 43,027.96/x
  3. Step 3: Cross multiply
    78,845.16x = 108,801.68 × 43,027.96
  4. Step 4: Simplify right side
    78,845.16x = 4,681,514,334.97
  5. Step 5: Solve for x
    x = 4,681,514,334.97/78,845.16
  6. Step 6: Final answer
    x = 59,376.05

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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.