Home / 74,576.07-102,891.79-42,305.37

Finding the Fourth Proportional to 74,576.07, 102,891.79 and 42,305.37

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Solution

The fourth proportional to 74,576.07, 102,891.79 and 42,305.37 is: 58,368.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,576.07 : 102,891.79 = 42,305.37 : x
  2. Step 2: Convert to fraction form
    74,576.07/102,891.79 = 42,305.37/x
  3. Step 3: Cross multiply
    74,576.07x = 102,891.79 × 42,305.37
  4. Step 4: Simplify right side
    74,576.07x = 4,352,875,245.91
  5. Step 5: Solve for x
    x = 4,352,875,245.91/74,576.07
  6. Step 6: Final answer
    x = 58,368.26

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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.