Home / 52,161.32-78,213.66-18,410.44

Finding the Fourth Proportional to 52,161.32, 78,213.66 and 18,410.44

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Solution

The fourth proportional to 52,161.32, 78,213.66 and 18,410.44 is: 27,605.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,161.32 : 78,213.66 = 18,410.44 : x
  2. Step 2: Convert to fraction form
    52,161.32/78,213.66 = 18,410.44/x
  3. Step 3: Cross multiply
    52,161.32x = 78,213.66 × 18,410.44
  4. Step 4: Simplify right side
    52,161.32x = 1,439,947,894.61
  5. Step 5: Solve for x
    x = 1,439,947,894.61/52,161.32
  6. Step 6: Final answer
    x = 27,605.66

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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.