Home / 79,707.29-119,429.72-55,694.03

Finding the Fourth Proportional to 79,707.29, 119,429.72 and 55,694.03

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Solution

The fourth proportional to 79,707.29, 119,429.72 and 55,694.03 is: 83,449.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,707.29 : 119,429.72 = 55,694.03 : x
  2. Step 2: Convert to fraction form
    79,707.29/119,429.72 = 55,694.03/x
  3. Step 3: Cross multiply
    79,707.29x = 119,429.72 × 55,694.03
  4. Step 4: Simplify right side
    79,707.29x = 6,651,522,408.57
  5. Step 5: Solve for x
    x = 6,651,522,408.57/79,707.29
  6. Step 6: Final answer
    x = 83,449.36

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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.