Home / 113,768.44-170,633.22-30,643

Finding the Fourth Proportional to 113,768.44, 170,633.22 and 30,643

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Solution

The fourth proportional to 113,768.44, 170,633.22 and 30,643 is: 45,959.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,768.44 : 170,633.22 = 30,643 : x
  2. Step 2: Convert to fraction form
    113,768.44/170,633.22 = 30,643/x
  3. Step 3: Cross multiply
    113,768.44x = 170,633.22 × 30,643
  4. Step 4: Simplify right side
    113,768.44x = 5,228,713,760.46
  5. Step 5: Solve for x
    x = 5,228,713,760.46/113,768.44
  6. Step 6: Final answer
    x = 45,959.26

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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.