Home / 82,537.76-123,813.54-26,385.86

Finding the Fourth Proportional to 82,537.76, 123,813.54 and 26,385.86

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Solution

The fourth proportional to 82,537.76, 123,813.54 and 26,385.86 is: 39,580.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,537.76 : 123,813.54 = 26,385.86 : x
  2. Step 2: Convert to fraction form
    82,537.76/123,813.54 = 26,385.86/x
  3. Step 3: Cross multiply
    82,537.76x = 123,813.54 × 26,385.86
  4. Step 4: Simplify right side
    82,537.76x = 3,266,926,113.48
  5. Step 5: Solve for x
    x = 3,266,926,113.48/82,537.76
  6. Step 6: Final answer
    x = 39,580.99

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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.