Home / 47,447.10-71,134.20-26,670.60

Finding the Fourth Proportional to 47,447.10, 71,134.20 and 26,670.60

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Solution

The fourth proportional to 47,447.10, 71,134.20 and 26,670.60 is: 39,985.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,447.10 : 71,134.20 = 26,670.60 : x
  2. Step 2: Convert to fraction form
    47,447.10/71,134.20 = 26,670.60/x
  3. Step 3: Cross multiply
    47,447.10x = 71,134.20 × 26,670.60
  4. Step 4: Simplify right side
    47,447.10x = 1,897,191,794.52
  5. Step 5: Solve for x
    x = 1,897,191,794.52/47,447.10
  6. Step 6: Final answer
    x = 39,985.41

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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.