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Finding the Fourth Proportional to 80,550.81, 111,158.64 and 44,740.49

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Solution

The fourth proportional to 80,550.81, 111,158.64 and 44,740.49 is: 61,741.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,550.81 : 111,158.64 = 44,740.49 : x
  2. Step 2: Convert to fraction form
    80,550.81/111,158.64 = 44,740.49/x
  3. Step 3: Cross multiply
    80,550.81x = 111,158.64 × 44,740.49
  4. Step 4: Simplify right side
    80,550.81x = 4,973,291,465.54
  5. Step 5: Solve for x
    x = 4,973,291,465.54/80,550.81
  6. Step 6: Final answer
    x = 61,741.05

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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.