Home / 47,250.93-70,890.24-13,971.86

Finding the Fourth Proportional to 47,250.93, 70,890.24 and 13,971.86

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Solution

The fourth proportional to 47,250.93, 70,890.24 and 13,971.86 is: 20,961.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,250.93 : 70,890.24 = 13,971.86 : x
  2. Step 2: Convert to fraction form
    47,250.93/70,890.24 = 13,971.86/x
  3. Step 3: Cross multiply
    47,250.93x = 70,890.24 × 13,971.86
  4. Step 4: Simplify right side
    47,250.93x = 990,468,738.27
  5. Step 5: Solve for x
    x = 990,468,738.27/47,250.93
  6. Step 6: Final answer
    x = 20,961.89

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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.