Home / 47,212.56-70,822.92-12,151.92

Finding the Fourth Proportional to 47,212.56, 70,822.92 and 12,151.92

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Solution

The fourth proportional to 47,212.56, 70,822.92 and 12,151.92 is: 18,228.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,212.56 : 70,822.92 = 12,151.92 : x
  2. Step 2: Convert to fraction form
    47,212.56/70,822.92 = 12,151.92/x
  3. Step 3: Cross multiply
    47,212.56x = 70,822.92 × 12,151.92
  4. Step 4: Simplify right side
    47,212.56x = 860,634,458.01
  5. Step 5: Solve for x
    x = 860,634,458.01/47,212.56
  6. Step 6: Final answer
    x = 18,228.93

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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.