Home / 112,819.98-169,152.21-53,605.74

Finding the Fourth Proportional to 112,819.98, 169,152.21 and 53,605.74

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Solution

The fourth proportional to 112,819.98, 169,152.21 and 53,605.74 is: 80,371.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,819.98 : 169,152.21 = 53,605.74 : x
  2. Step 2: Convert to fraction form
    112,819.98/169,152.21 = 53,605.74/x
  3. Step 3: Cross multiply
    112,819.98x = 169,152.21 × 53,605.74
  4. Step 4: Simplify right side
    112,819.98x = 9,067,529,389.69
  5. Step 5: Solve for x
    x = 9,067,529,389.69/112,819.98
  6. Step 6: Final answer
    x = 80,371.66

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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.