Home / 112,909.59-169,364.46-28,676.07

Finding the Fourth Proportional to 112,909.59, 169,364.46 and 28,676.07

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Solution

The fourth proportional to 112,909.59, 169,364.46 and 28,676.07 is: 43,014.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,909.59 : 169,364.46 = 28,676.07 : x
  2. Step 2: Convert to fraction form
    112,909.59/169,364.46 = 28,676.07/x
  3. Step 3: Cross multiply
    112,909.59x = 169,364.46 × 28,676.07
  4. Step 4: Simplify right side
    112,909.59x = 4,856,707,110.47
  5. Step 5: Solve for x
    x = 4,856,707,110.47/112,909.59
  6. Step 6: Final answer
    x = 43,014.12

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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.