Home / 74,497.27-102,812.07-42,676.42

Finding the Fourth Proportional to 74,497.27, 102,812.07 and 42,676.42

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Solution

The fourth proportional to 74,497.27, 102,812.07 and 42,676.42 is: 58,896.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,497.27 : 102,812.07 = 42,676.42 : x
  2. Step 2: Convert to fraction form
    74,497.27/102,812.07 = 42,676.42/x
  3. Step 3: Cross multiply
    74,497.27x = 102,812.07 × 42,676.42
  4. Step 4: Simplify right side
    74,497.27x = 4,387,651,080.39
  5. Step 5: Solve for x
    x = 4,387,651,080.39/74,497.27
  6. Step 6: Final answer
    x = 58,896.80

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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.