Home / 79,601.43-109,886.35-53,451.19

Finding the Fourth Proportional to 79,601.43, 109,886.35 and 53,451.19

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Solution

The fourth proportional to 79,601.43, 109,886.35 and 53,451.19 is: 73,787.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,601.43 : 109,886.35 = 53,451.19 : x
  2. Step 2: Convert to fraction form
    79,601.43/109,886.35 = 53,451.19/x
  3. Step 3: Cross multiply
    79,601.43x = 109,886.35 × 53,451.19
  4. Step 4: Simplify right side
    79,601.43x = 5,873,556,125.88
  5. Step 5: Solve for x
    x = 5,873,556,125.88/79,601.43
  6. Step 6: Final answer
    x = 73,787.06

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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.