Home / 83,590.77-125,429.19-55,530.15

Finding the Fourth Proportional to 83,590.77, 125,429.19 and 55,530.15

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Solution

The fourth proportional to 83,590.77, 125,429.19 and 55,530.15 is: 83,323.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,590.77 : 125,429.19 = 55,530.15 : x
  2. Step 2: Convert to fraction form
    83,590.77/125,429.19 = 55,530.15/x
  3. Step 3: Cross multiply
    83,590.77x = 125,429.19 × 55,530.15
  4. Step 4: Simplify right side
    83,590.77x = 6,965,101,735.08
  5. Step 5: Solve for x
    x = 6,965,101,735.08/83,590.77
  6. Step 6: Final answer
    x = 83,323.81

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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.