Home / 83,361.28-125,051.64-33,458.80

Finding the Fourth Proportional to 83,361.28, 125,051.64 and 33,458.80

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Solution

The fourth proportional to 83,361.28, 125,051.64 and 33,458.80 is: 50,192.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,361.28 : 125,051.64 = 33,458.80 : x
  2. Step 2: Convert to fraction form
    83,361.28/125,051.64 = 33,458.80/x
  3. Step 3: Cross multiply
    83,361.28x = 125,051.64 × 33,458.80
  4. Step 4: Simplify right side
    83,361.28x = 4,184,077,812.43
  5. Step 5: Solve for x
    x = 4,184,077,812.43/83,361.28
  6. Step 6: Final answer
    x = 50,192.10

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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.