Home / 112,728.24-169,101.96-29,622

Finding the Fourth Proportional to 112,728.24, 169,101.96 and 29,622

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Solution

The fourth proportional to 112,728.24, 169,101.96 and 29,622 is: 44,435.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,728.24 : 169,101.96 = 29,622 : x
  2. Step 2: Convert to fraction form
    112,728.24/169,101.96 = 29,622/x
  3. Step 3: Cross multiply
    112,728.24x = 169,101.96 × 29,622
  4. Step 4: Simplify right side
    112,728.24x = 5,009,138,259.12
  5. Step 5: Solve for x
    x = 5,009,138,259.12/112,728.24
  6. Step 6: Final answer
    x = 44,435.52

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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.