Home / 83,395.81-125,106.68-28,004.77

Finding the Fourth Proportional to 83,395.81, 125,106.68 and 28,004.77

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Solution

The fourth proportional to 83,395.81, 125,106.68 and 28,004.77 is: 42,011.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,395.81 : 125,106.68 = 28,004.77 : x
  2. Step 2: Convert to fraction form
    83,395.81/125,106.68 = 28,004.77/x
  3. Step 3: Cross multiply
    83,395.81x = 125,106.68 × 28,004.77
  4. Step 4: Simplify right side
    83,395.81x = 3,503,584,076.62
  5. Step 5: Solve for x
    x = 3,503,584,076.62/83,395.81
  6. Step 6: Final answer
    x = 42,011.51

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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.