Home / 45,862.20-68,785.93-12,574.54

Finding the Fourth Proportional to 45,862.20, 68,785.93 and 12,574.54

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Solution

The fourth proportional to 45,862.20, 68,785.93 and 12,574.54 is: 18,859.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,862.20 : 68,785.93 = 12,574.54 : x
  2. Step 2: Convert to fraction form
    45,862.20/68,785.93 = 12,574.54/x
  3. Step 3: Cross multiply
    45,862.20x = 68,785.93 × 12,574.54
  4. Step 4: Simplify right side
    45,862.20x = 864,951,459.19
  5. Step 5: Solve for x
    x = 864,951,459.19/45,862.20
  6. Step 6: Final answer
    x = 18,859.79

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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.