Home / 82,634.40-123,951.60-47,059.20

Finding the Fourth Proportional to 82,634.40, 123,951.60 and 47,059.20

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Solution

The fourth proportional to 82,634.40, 123,951.60 and 47,059.20 is: 70,588.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,634.40 : 123,951.60 = 47,059.20 : x
  2. Step 2: Convert to fraction form
    82,634.40/123,951.60 = 47,059.20/x
  3. Step 3: Cross multiply
    82,634.40x = 123,951.60 × 47,059.20
  4. Step 4: Simplify right side
    82,634.40x = 5,833,063,134.72
  5. Step 5: Solve for x
    x = 5,833,063,134.72/82,634.40
  6. Step 6: Final answer
    x = 70,588.80

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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.