Home / 82,342.96-123,512.38-37,969.68

Finding the Fourth Proportional to 82,342.96, 123,512.38 and 37,969.68

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Solution

The fourth proportional to 82,342.96, 123,512.38 and 37,969.68 is: 56,953.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,342.96 : 123,512.38 = 37,969.68 : x
  2. Step 2: Convert to fraction form
    82,342.96/123,512.38 = 37,969.68/x
  3. Step 3: Cross multiply
    82,342.96x = 123,512.38 × 37,969.68
  4. Step 4: Simplify right side
    82,342.96x = 4,689,725,638.85
  5. Step 5: Solve for x
    x = 4,689,725,638.85/82,342.96
  6. Step 6: Final answer
    x = 56,953.57

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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.