Home / 77,939.13-107,557.14-43,949.24

Finding the Fourth Proportional to 77,939.13, 107,557.14 and 43,949.24

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Solution

The fourth proportional to 77,939.13, 107,557.14 and 43,949.24 is: 60,650.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,939.13 : 107,557.14 = 43,949.24 : x
  2. Step 2: Convert to fraction form
    77,939.13/107,557.14 = 43,949.24/x
  3. Step 3: Cross multiply
    77,939.13x = 107,557.14 × 43,949.24
  4. Step 4: Simplify right side
    77,939.13x = 4,727,054,559.57
  5. Step 5: Solve for x
    x = 4,727,054,559.57/77,939.13
  6. Step 6: Final answer
    x = 60,650.59

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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.