Home / 75,394.20-113,095.20-19,234.80

Finding the Fourth Proportional to 75,394.20, 113,095.20 and 19,234.80

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Solution

The fourth proportional to 75,394.20, 113,095.20 and 19,234.80 is: 28,853.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,394.20 : 113,095.20 = 19,234.80 : x
  2. Step 2: Convert to fraction form
    75,394.20/113,095.20 = 19,234.80/x
  3. Step 3: Cross multiply
    75,394.20x = 113,095.20 × 19,234.80
  4. Step 4: Simplify right side
    75,394.20x = 2,175,363,552.96
  5. Step 5: Solve for x
    x = 2,175,363,552.96/75,394.20
  6. Step 6: Final answer
    x = 28,853.19

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1.5x scale

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.