Home / 68,658.23-103,003.07-26,538.66

Finding the Fourth Proportional to 68,658.23, 103,003.07 and 26,538.66

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Solution

The fourth proportional to 68,658.23, 103,003.07 and 26,538.66 is: 39,814.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,658.23 : 103,003.07 = 26,538.66 : x
  2. Step 2: Convert to fraction form
    68,658.23/103,003.07 = 26,538.66/x
  3. Step 3: Cross multiply
    68,658.23x = 103,003.07 × 26,538.66
  4. Step 4: Simplify right side
    68,658.23x = 2,733,563,320.99
  5. Step 5: Solve for x
    x = 2,733,563,320.99/68,658.23
  6. Step 6: Final answer
    x = 39,814.06

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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.