Home / 67,339.05-100,947-29,906.58

Finding the Fourth Proportional to 67,339.05, 100,947 and 29,906.58

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Solution

The fourth proportional to 67,339.05, 100,947 and 29,906.58 is: 44,832.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,339.05 : 100,947 = 29,906.58 : x
  2. Step 2: Convert to fraction form
    67,339.05/100,947 = 29,906.58/x
  3. Step 3: Cross multiply
    67,339.05x = 100,947 × 29,906.58
  4. Step 4: Simplify right side
    67,339.05x = 3,018,979,531.26
  5. Step 5: Solve for x
    x = 3,018,979,531.26/67,339.05
  6. Step 6: Final answer
    x = 44,832.52

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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.