Home / 74,943.65-103,422.24-41,409.65

Finding the Fourth Proportional to 74,943.65, 103,422.24 and 41,409.65

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Solution

The fourth proportional to 74,943.65, 103,422.24 and 41,409.65 is: 57,145.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,943.65 : 103,422.24 = 41,409.65 : x
  2. Step 2: Convert to fraction form
    74,943.65/103,422.24 = 41,409.65/x
  3. Step 3: Cross multiply
    74,943.65x = 103,422.24 × 41,409.65
  4. Step 4: Simplify right side
    74,943.65x = 4,282,678,243.50
  5. Step 5: Solve for x
    x = 4,282,678,243.50/74,943.65
  6. Step 6: Final answer
    x = 57,145.32

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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.