Home / 83,701.22-125,519.69-35,639.37

Finding the Fourth Proportional to 83,701.22, 125,519.69 and 35,639.37

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Solution

The fourth proportional to 83,701.22, 125,519.69 and 35,639.37 is: 53,445.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,701.22 : 125,519.69 = 35,639.37 : x
  2. Step 2: Convert to fraction form
    83,701.22/125,519.69 = 35,639.37/x
  3. Step 3: Cross multiply
    83,701.22x = 125,519.69 × 35,639.37
  4. Step 4: Simplify right side
    83,701.22x = 4,473,442,763.29
  5. Step 5: Solve for x
    x = 4,473,442,763.29/83,701.22
  6. Step 6: Final answer
    x = 53,445.37

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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.