Home / 79,819.12-119,724.36-24,415.12

Finding the Fourth Proportional to 79,819.12, 119,724.36 and 24,415.12

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Solution

The fourth proportional to 79,819.12, 119,724.36 and 24,415.12 is: 36,621.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,819.12 : 119,724.36 = 24,415.12 : x
  2. Step 2: Convert to fraction form
    79,819.12/119,724.36 = 24,415.12/x
  3. Step 3: Cross multiply
    79,819.12x = 119,724.36 × 24,415.12
  4. Step 4: Simplify right side
    79,819.12x = 2,923,084,616.32
  5. Step 5: Solve for x
    x = 2,923,084,616.32/79,819.12
  6. Step 6: Final answer
    x = 36,621.36

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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.