Home / 74,302.03-102,576.57-57,268.94

Finding the Fourth Proportional to 74,302.03, 102,576.57 and 57,268.94

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Solution

The fourth proportional to 74,302.03, 102,576.57 and 57,268.94 is: 79,061.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,302.03 : 102,576.57 = 57,268.94 : x
  2. Step 2: Convert to fraction form
    74,302.03/102,576.57 = 57,268.94/x
  3. Step 3: Cross multiply
    74,302.03x = 102,576.57 × 57,268.94
  4. Step 4: Simplify right side
    74,302.03x = 5,874,451,432.74
  5. Step 5: Solve for x
    x = 5,874,451,432.74/74,302.03
  6. Step 6: Final answer
    x = 79,061.79

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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.