Home / 79,170.12-118,725.44-25,849.64

Finding the Fourth Proportional to 79,170.12, 118,725.44 and 25,849.64

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Solution

The fourth proportional to 79,170.12, 118,725.44 and 25,849.64 is: 38,764.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,170.12 : 118,725.44 = 25,849.64 : x
  2. Step 2: Convert to fraction form
    79,170.12/118,725.44 = 25,849.64/x
  3. Step 3: Cross multiply
    79,170.12x = 118,725.44 × 25,849.64
  4. Step 4: Simplify right side
    79,170.12x = 3,069,009,882.84
  5. Step 5: Solve for x
    x = 3,069,009,882.84/79,170.12
  6. Step 6: Final answer
    x = 38,764.75

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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.