Home / 78,227.23-107,972.25-46,414.57

Finding the Fourth Proportional to 78,227.23, 107,972.25 and 46,414.57

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Solution

The fourth proportional to 78,227.23, 107,972.25 and 46,414.57 is: 64,063.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,227.23 : 107,972.25 = 46,414.57 : x
  2. Step 2: Convert to fraction form
    78,227.23/107,972.25 = 46,414.57/x
  3. Step 3: Cross multiply
    78,227.23x = 107,972.25 × 46,414.57
  4. Step 4: Simplify right side
    78,227.23x = 5,011,485,555.68
  5. Step 5: Solve for x
    x = 5,011,485,555.68/78,227.23
  6. Step 6: Final answer
    x = 64,063.19

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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.