Home / 79,451.42-109,637.54-43,642.94

Finding the Fourth Proportional to 79,451.42, 109,637.54 and 43,642.94

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Solution

The fourth proportional to 79,451.42, 109,637.54 and 43,642.94 is: 60,224.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,451.42 : 109,637.54 = 43,642.94 : x
  2. Step 2: Convert to fraction form
    79,451.42/109,637.54 = 43,642.94/x
  3. Step 3: Cross multiply
    79,451.42x = 109,637.54 × 43,642.94
  4. Step 4: Simplify right side
    79,451.42x = 4,784,904,579.97
  5. Step 5: Solve for x
    x = 4,784,904,579.97/79,451.42
  6. Step 6: Final answer
    x = 60,224.28

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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.