Home / 74,147.67-110,682.18-68,665.59

Finding the Fourth Proportional to 74,147.67, 110,682.18 and 68,665.59

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Solution

The fourth proportional to 74,147.67, 110,682.18 and 68,665.59 is: 102,498.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,147.67 : 110,682.18 = 68,665.59 : x
  2. Step 2: Convert to fraction form
    74,147.67/110,682.18 = 68,665.59/x
  3. Step 3: Cross multiply
    74,147.67x = 110,682.18 × 68,665.59
  4. Step 4: Simplify right side
    74,147.67x = 7,600,057,192.19
  5. Step 5: Solve for x
    x = 7,600,057,192.19/74,147.67
  6. Step 6: Final answer
    x = 102,498.93

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.