Home / 80,041.62-110,457.78-43,743.81

Finding the Fourth Proportional to 80,041.62, 110,457.78 and 43,743.81

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Solution

The fourth proportional to 80,041.62, 110,457.78 and 43,743.81 is: 60,366.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,041.62 : 110,457.78 = 43,743.81 : x
  2. Step 2: Convert to fraction form
    80,041.62/110,457.78 = 43,743.81/x
  3. Step 3: Cross multiply
    80,041.62x = 110,457.78 × 43,743.81
  4. Step 4: Simplify right side
    80,041.62x = 4,831,844,141.34
  5. Step 5: Solve for x
    x = 4,831,844,141.34/80,041.62
  6. Step 6: Final answer
    x = 60,366.65

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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.