Home / 47,423.86-71,134.25-14,144.20

Finding the Fourth Proportional to 47,423.86, 71,134.25 and 14,144.20

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Solution

The fourth proportional to 47,423.86, 71,134.25 and 14,144.20 is: 21,215.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,423.86 : 71,134.25 = 14,144.20 : x
  2. Step 2: Convert to fraction form
    47,423.86/71,134.25 = 14,144.20/x
  3. Step 3: Cross multiply
    47,423.86x = 71,134.25 × 14,144.20
  4. Step 4: Simplify right side
    47,423.86x = 1,006,137,058.85
  5. Step 5: Solve for x
    x = 1,006,137,058.85/47,423.86
  6. Step 6: Final answer
    x = 21,215.84

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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.