Home / 112,743.11-169,118.78-37,865.72

Finding the Fourth Proportional to 112,743.11, 169,118.78 and 37,865.72

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Solution

The fourth proportional to 112,743.11, 169,118.78 and 37,865.72 is: 56,799.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,743.11 : 169,118.78 = 37,865.72 : x
  2. Step 2: Convert to fraction form
    112,743.11/169,118.78 = 37,865.72/x
  3. Step 3: Cross multiply
    112,743.11x = 169,118.78 × 37,865.72
  4. Step 4: Simplify right side
    112,743.11x = 6,403,803,335.30
  5. Step 5: Solve for x
    x = 6,403,803,335.30/112,743.11
  6. Step 6: Final answer
    x = 56,799.96

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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.