Home / 79,142.58-118,715.39-29,196.97

Finding the Fourth Proportional to 79,142.58, 118,715.39 and 29,196.97

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Solution

The fourth proportional to 79,142.58, 118,715.39 and 29,196.97 is: 43,796.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,142.58 : 118,715.39 = 29,196.97 : x
  2. Step 2: Convert to fraction form
    79,142.58/118,715.39 = 29,196.97/x
  3. Step 3: Cross multiply
    79,142.58x = 118,715.39 × 29,196.97
  4. Step 4: Simplify right side
    79,142.58x = 3,466,129,347.08
  5. Step 5: Solve for x
    x = 3,466,129,347.08/79,142.58
  6. Step 6: Final answer
    x = 43,796.01

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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.