Home / 45,353.14-68,029.85-13,763.46

Finding the Fourth Proportional to 45,353.14, 68,029.85 and 13,763.46

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Solution

The fourth proportional to 45,353.14, 68,029.85 and 13,763.46 is: 20,645.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,353.14 : 68,029.85 = 13,763.46 : x
  2. Step 2: Convert to fraction form
    45,353.14/68,029.85 = 13,763.46/x
  3. Step 3: Cross multiply
    45,353.14x = 68,029.85 × 13,763.46
  4. Step 4: Simplify right side
    45,353.14x = 936,325,710.31
  5. Step 5: Solve for x
    x = 936,325,710.31/45,353.14
  6. Step 6: Final answer
    x = 20,645.22

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1.5x scale

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.