Home / 83,104.38-114,684.26-45,378.63

Finding the Fourth Proportional to 83,104.38, 114,684.26 and 45,378.63

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Solution

The fourth proportional to 83,104.38, 114,684.26 and 45,378.63 is: 62,622.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,104.38 : 114,684.26 = 45,378.63 : x
  2. Step 2: Convert to fraction form
    83,104.38/114,684.26 = 45,378.63/x
  3. Step 3: Cross multiply
    83,104.38x = 114,684.26 × 45,378.63
  4. Step 4: Simplify right side
    83,104.38x = 5,204,214,374.47
  5. Step 5: Solve for x
    x = 5,204,214,374.47/83,104.38
  6. Step 6: Final answer
    x = 62,622.62

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Double scale
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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.