Home / 112,933.40-169,467.30-42,819.80

Finding the Fourth Proportional to 112,933.40, 169,467.30 and 42,819.80

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Solution

The fourth proportional to 112,933.40, 169,467.30 and 42,819.80 is: 64,255.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,933.40 : 169,467.30 = 42,819.80 : x
  2. Step 2: Convert to fraction form
    112,933.40/169,467.30 = 42,819.80/x
  3. Step 3: Cross multiply
    112,933.40x = 169,467.30 × 42,819.80
  4. Step 4: Simplify right side
    112,933.40x = 7,256,555,892.54
  5. Step 5: Solve for x
    x = 7,256,555,892.54/112,933.40
  6. Step 6: Final answer
    x = 64,255.18

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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.