Home / 79,169.64-118,724.68-25,849.18

Finding the Fourth Proportional to 79,169.64, 118,724.68 and 25,849.18

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Solution

The fourth proportional to 79,169.64, 118,724.68 and 25,849.18 is: 38,764.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,169.64 : 118,724.68 = 25,849.18 : x
  2. Step 2: Convert to fraction form
    79,169.64/118,724.68 = 25,849.18/x
  3. Step 3: Cross multiply
    79,169.64x = 118,724.68 × 25,849.18
  4. Step 4: Simplify right side
    79,169.64x = 3,068,935,623.76
  5. Step 5: Solve for x
    x = 3,068,935,623.76/79,169.64
  6. Step 6: Final answer
    x = 38,764.05

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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.