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Finding the Fourth Proportional to 77,994.77, 107,632.80 and 44,010.46

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Solution

The fourth proportional to 77,994.77, 107,632.80 and 44,010.46 is: 60,734.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,994.77 : 107,632.80 = 44,010.46 : x
  2. Step 2: Convert to fraction form
    77,994.77/107,632.80 = 44,010.46/x
  3. Step 3: Cross multiply
    77,994.77x = 107,632.80 × 44,010.46
  4. Step 4: Simplify right side
    77,994.77x = 4,736,969,039.09
  5. Step 5: Solve for x
    x = 4,736,969,039.09/77,994.77
  6. Step 6: Final answer
    x = 60,734.44

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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.