Home / 77,941.51-107,555.25-43,949.05

Finding the Fourth Proportional to 77,941.51, 107,555.25 and 43,949.05

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Solution

The fourth proportional to 77,941.51, 107,555.25 and 43,949.05 is: 60,647.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,941.51 : 107,555.25 = 43,949.05 : x
  2. Step 2: Convert to fraction form
    77,941.51/107,555.25 = 43,949.05/x
  3. Step 3: Cross multiply
    77,941.51x = 107,555.25 × 43,949.05
  4. Step 4: Simplify right side
    77,941.51x = 4,726,951,060.01
  5. Step 5: Solve for x
    x = 4,726,951,060.01/77,941.51
  6. Step 6: Final answer
    x = 60,647.41

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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.