Home / 45,350.51-68,025.91-13,760.84

Finding the Fourth Proportional to 45,350.51, 68,025.91 and 13,760.84

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Solution

The fourth proportional to 45,350.51, 68,025.91 and 13,760.84 is: 20,641.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,350.51 : 68,025.91 = 13,760.84 : x
  2. Step 2: Convert to fraction form
    45,350.51/68,025.91 = 13,760.84/x
  3. Step 3: Cross multiply
    45,350.51x = 68,025.91 × 13,760.84
  4. Step 4: Simplify right side
    45,350.51x = 936,093,288.83
  5. Step 5: Solve for x
    x = 936,093,288.83/45,350.51
  6. Step 6: Final answer
    x = 20,641.30

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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.