Home / 112,916.08-169,374.18-28,682.56

Finding the Fourth Proportional to 112,916.08, 169,374.18 and 28,682.56

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Solution

The fourth proportional to 112,916.08, 169,374.18 and 28,682.56 is: 43,023.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,916.08 : 169,374.18 = 28,682.56 : x
  2. Step 2: Convert to fraction form
    112,916.08/169,374.18 = 28,682.56/x
  3. Step 3: Cross multiply
    112,916.08x = 169,374.18 × 28,682.56
  4. Step 4: Simplify right side
    112,916.08x = 4,858,085,080.30
  5. Step 5: Solve for x
    x = 4,858,085,080.30/112,916.08
  6. Step 6: Final answer
    x = 43,023.86

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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.