Home / 109,642.56-164,474.14-30,756.44

Finding the Fourth Proportional to 109,642.56, 164,474.14 and 30,756.44

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Solution

The fourth proportional to 109,642.56, 164,474.14 and 30,756.44 is: 46,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,642.56 : 164,474.14 = 30,756.44 : x
  2. Step 2: Convert to fraction form
    109,642.56/164,474.14 = 30,756.44/x
  3. Step 3: Cross multiply
    109,642.56x = 164,474.14 × 30,756.44
  4. Step 4: Simplify right side
    109,642.56x = 5,058,639,018.46
  5. Step 5: Solve for x
    x = 5,058,639,018.46/109,642.56
  6. Step 6: Final answer
    x = 46,137.55

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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.