Home / 112,827.74-169,269.75-79,612.74

Finding the Fourth Proportional to 112,827.74, 169,269.75 and 79,612.74

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Solution

The fourth proportional to 112,827.74, 169,269.75 and 79,612.74 is: 119,438.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,827.74 : 169,269.75 = 79,612.74 : x
  2. Step 2: Convert to fraction form
    112,827.74/169,269.75 = 79,612.74/x
  3. Step 3: Cross multiply
    112,827.74x = 169,269.75 × 79,612.74
  4. Step 4: Simplify right side
    112,827.74x = 13,476,028,596.62
  5. Step 5: Solve for x
    x = 13,476,028,596.62/112,827.74
  6. Step 6: Final answer
    x = 119,438.97

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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.