Home / 82,835.64-124,257.30-23,679.72

Finding the Fourth Proportional to 82,835.64, 124,257.30 and 23,679.72

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Solution

The fourth proportional to 82,835.64, 124,257.30 and 23,679.72 is: 35,520.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,835.64 : 124,257.30 = 23,679.72 : x
  2. Step 2: Convert to fraction form
    82,835.64/124,257.30 = 23,679.72/x
  3. Step 3: Cross multiply
    82,835.64x = 124,257.30 × 23,679.72
  4. Step 4: Simplify right side
    82,835.64x = 2,942,378,071.96
  5. Step 5: Solve for x
    x = 2,942,378,071.96/82,835.64
  6. Step 6: Final answer
    x = 35,520.68

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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.