Home / 45,400.11-68,100.47-15,818.51

Finding the Fourth Proportional to 45,400.11, 68,100.47 and 15,818.51

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Solution

The fourth proportional to 45,400.11, 68,100.47 and 15,818.51 is: 23,727.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,400.11 : 68,100.47 = 15,818.51 : x
  2. Step 2: Convert to fraction form
    45,400.11/68,100.47 = 15,818.51/x
  3. Step 3: Cross multiply
    45,400.11x = 68,100.47 × 15,818.51
  4. Step 4: Simplify right side
    45,400.11x = 1,077,247,546.10
  5. Step 5: Solve for x
    x = 1,077,247,546.10/45,400.11
  6. Step 6: Final answer
    x = 23,727.86

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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.