Home / 47,917.06-71,865.87-12,848.50

Finding the Fourth Proportional to 47,917.06, 71,865.87 and 12,848.50

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Solution

The fourth proportional to 47,917.06, 71,865.87 and 12,848.50 is: 19,270.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,917.06 : 71,865.87 = 12,848.50 : x
  2. Step 2: Convert to fraction form
    47,917.06/71,865.87 = 12,848.50/x
  3. Step 3: Cross multiply
    47,917.06x = 71,865.87 × 12,848.50
  4. Step 4: Simplify right side
    47,917.06x = 923,368,630.70
  5. Step 5: Solve for x
    x = 923,368,630.70/47,917.06
  6. Step 6: Final answer
    x = 19,270.14

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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.