Home / 85,236.78-127,766.46-47,741.88

Finding the Fourth Proportional to 85,236.78, 127,766.46 and 47,741.88

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Solution

The fourth proportional to 85,236.78, 127,766.46 and 47,741.88 is: 71,563.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,236.78 : 127,766.46 = 47,741.88 : x
  2. Step 2: Convert to fraction form
    85,236.78/127,766.46 = 47,741.88/x
  3. Step 3: Cross multiply
    85,236.78x = 127,766.46 × 47,741.88
  4. Step 4: Simplify right side
    85,236.78x = 6,099,811,001.34
  5. Step 5: Solve for x
    x = 6,099,811,001.34/85,236.78
  6. Step 6: Final answer
    x = 71,563.13

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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.