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Finding the Fourth Proportional to 73,341.36, 109,994.42 and 33,860.55

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Solution

The fourth proportional to 73,341.36, 109,994.42 and 33,860.55 is: 50,782.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,341.36 : 109,994.42 = 33,860.55 : x
  2. Step 2: Convert to fraction form
    73,341.36/109,994.42 = 33,860.55/x
  3. Step 3: Cross multiply
    73,341.36x = 109,994.42 × 33,860.55
  4. Step 4: Simplify right side
    73,341.36x = 3,724,471,558.13
  5. Step 5: Solve for x
    x = 3,724,471,558.13/73,341.36
  6. Step 6: Final answer
    x = 50,782.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.