Home / 54,788.19-82,325.81-47,785.69

Finding the Fourth Proportional to 54,788.19, 82,325.81 and 47,785.69

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Solution

The fourth proportional to 54,788.19, 82,325.81 and 47,785.69 is: 71,803.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,788.19 : 82,325.81 = 47,785.69 : x
  2. Step 2: Convert to fraction form
    54,788.19/82,325.81 = 47,785.69/x
  3. Step 3: Cross multiply
    54,788.19x = 82,325.81 × 47,785.69
  4. Step 4: Simplify right side
    54,788.19x = 3,933,995,635.66
  5. Step 5: Solve for x
    x = 3,933,995,635.66/54,788.19
  6. Step 6: Final answer
    x = 71,803.72

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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.