Home / 83,535.77-125,300.21-30,229.02

Finding the Fourth Proportional to 83,535.77, 125,300.21 and 30,229.02

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Solution

The fourth proportional to 83,535.77, 125,300.21 and 30,229.02 is: 45,342.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,535.77 : 125,300.21 = 30,229.02 : x
  2. Step 2: Convert to fraction form
    83,535.77/125,300.21 = 30,229.02/x
  3. Step 3: Cross multiply
    83,535.77x = 125,300.21 × 30,229.02
  4. Step 4: Simplify right side
    83,535.77x = 3,787,702,554.09
  5. Step 5: Solve for x
    x = 3,787,702,554.09/83,535.77
  6. Step 6: Final answer
    x = 45,342.28

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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.