Home / 47,166.15-70,749.27-12,105.84

Finding the Fourth Proportional to 47,166.15, 70,749.27 and 12,105.84

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Solution

The fourth proportional to 47,166.15, 70,749.27 and 12,105.84 is: 18,158.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,166.15 : 70,749.27 = 12,105.84 : x
  2. Step 2: Convert to fraction form
    47,166.15/70,749.27 = 12,105.84/x
  3. Step 3: Cross multiply
    47,166.15x = 70,749.27 × 12,105.84
  4. Step 4: Simplify right side
    47,166.15x = 856,479,342.74
  5. Step 5: Solve for x
    x = 856,479,342.74/47,166.15
  6. Step 6: Final answer
    x = 18,158.77

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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.