Home / 77,940.01-107,553.18-43,947.55

Finding the Fourth Proportional to 77,940.01, 107,553.18 and 43,947.55

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Solution

The fourth proportional to 77,940.01, 107,553.18 and 43,947.55 is: 60,645.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,940.01 : 107,553.18 = 43,947.55 : x
  2. Step 2: Convert to fraction form
    77,940.01/107,553.18 = 43,947.55/x
  3. Step 3: Cross multiply
    77,940.01x = 107,553.18 × 43,947.55
  4. Step 4: Simplify right side
    77,940.01x = 4,726,698,755.71
  5. Step 5: Solve for x
    x = 4,726,698,755.71/77,940.01
  6. Step 6: Final answer
    x = 60,645.34

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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.