Home / 75,612.69-104,344.20-41,621.85

Finding the Fourth Proportional to 75,612.69, 104,344.20 and 41,621.85

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Solution

The fourth proportional to 75,612.69, 104,344.20 and 41,621.85 is: 57,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,612.69 : 104,344.20 = 41,621.85 : x
  2. Step 2: Convert to fraction form
    75,612.69/104,344.20 = 41,621.85/x
  3. Step 3: Cross multiply
    75,612.69x = 104,344.20 × 41,621.85
  4. Step 4: Simplify right side
    75,612.69x = 4,342,998,640.77
  5. Step 5: Solve for x
    x = 4,342,998,640.77/75,612.69
  6. Step 6: Final answer
    x = 57,437.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.