Home / 112,826.25-169,239.38-29,720.25

Finding the Fourth Proportional to 112,826.25, 169,239.38 and 29,720.25

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Solution

The fourth proportional to 112,826.25, 169,239.38 and 29,720.25 is: 44,580.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,826.25 : 169,239.38 = 29,720.25 : x
  2. Step 2: Convert to fraction form
    112,826.25/169,239.38 = 29,720.25/x
  3. Step 3: Cross multiply
    112,826.25x = 169,239.38 × 29,720.25
  4. Step 4: Simplify right side
    112,826.25x = 5,029,836,534.84
  5. Step 5: Solve for x
    x = 5,029,836,534.84/112,826.25
  6. Step 6: Final answer
    x = 44,580.38

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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.