Home / 79,467.17-119,200.43-20,302.74

Finding the Fourth Proportional to 79,467.17, 119,200.43 and 20,302.74

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Solution

The fourth proportional to 79,467.17, 119,200.43 and 20,302.74 is: 30,454.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,467.17 : 119,200.43 = 20,302.74 : x
  2. Step 2: Convert to fraction form
    79,467.17/119,200.43 = 20,302.74/x
  3. Step 3: Cross multiply
    79,467.17x = 119,200.43 × 20,302.74
  4. Step 4: Simplify right side
    79,467.17x = 2,420,095,236.66
  5. Step 5: Solve for x
    x = 2,420,095,236.66/79,467.17
  6. Step 6: Final answer
    x = 30,454.03

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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.