Home / 83,365.21-115,042.92-47,555.82

Finding the Fourth Proportional to 83,365.21, 115,042.92 and 47,555.82

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Solution

The fourth proportional to 83,365.21, 115,042.92 and 47,555.82 is: 65,626.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,365.21 : 115,042.92 = 47,555.82 : x
  2. Step 2: Convert to fraction form
    83,365.21/115,042.92 = 47,555.82/x
  3. Step 3: Cross multiply
    83,365.21x = 115,042.92 × 47,555.82
  4. Step 4: Simplify right side
    83,365.21x = 5,470,960,217.46
  5. Step 5: Solve for x
    x = 5,470,960,217.46/83,365.21
  6. Step 6: Final answer
    x = 65,626.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.