Home / 57,068.35-78,753.83-31,576.59

Finding the Fourth Proportional to 57,068.35, 78,753.83 and 31,576.59

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Solution

The fourth proportional to 57,068.35, 78,753.83 and 31,576.59 is: 43,575.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,068.35 : 78,753.83 = 31,576.59 : x
  2. Step 2: Convert to fraction form
    57,068.35/78,753.83 = 31,576.59/x
  3. Step 3: Cross multiply
    57,068.35x = 78,753.83 × 31,576.59
  4. Step 4: Simplify right side
    57,068.35x = 2,486,777,242.96
  5. Step 5: Solve for x
    x = 2,486,777,242.96/57,068.35
  6. Step 6: Final answer
    x = 43,575.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.