Home / 79,169.12-118,723.94-25,848.64

Finding the Fourth Proportional to 79,169.12, 118,723.94 and 25,848.64

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Solution

The fourth proportional to 79,169.12, 118,723.94 and 25,848.64 is: 38,763.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,169.12 : 118,723.94 = 25,848.64 : x
  2. Step 2: Convert to fraction form
    79,169.12/118,723.94 = 25,848.64/x
  3. Step 3: Cross multiply
    79,169.12x = 118,723.94 × 25,848.64
  4. Step 4: Simplify right side
    79,169.12x = 3,068,852,384.44
  5. Step 5: Solve for x
    x = 3,068,852,384.44/79,169.12
  6. Step 6: Final answer
    x = 38,763.25

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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.