Home / 112,983.31-169,475.97-28,743.58

Finding the Fourth Proportional to 112,983.31, 169,475.97 and 28,743.58

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Solution

The fourth proportional to 112,983.31, 169,475.97 and 28,743.58 is: 43,115.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,983.31 : 169,475.97 = 28,743.58 : x
  2. Step 2: Convert to fraction form
    112,983.31/169,475.97 = 28,743.58/x
  3. Step 3: Cross multiply
    112,983.31x = 169,475.97 × 28,743.58
  4. Step 4: Simplify right side
    112,983.31x = 4,871,346,101.77
  5. Step 5: Solve for x
    x = 4,871,346,101.77/112,983.31
  6. Step 6: Final answer
    x = 43,115.63

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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.