Home / 74,072.88-102,213.14-41,804.61

Finding the Fourth Proportional to 74,072.88, 102,213.14 and 41,804.61

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Solution

The fourth proportional to 74,072.88, 102,213.14 and 41,804.61 is: 57,686.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,072.88 : 102,213.14 = 41,804.61 : x
  2. Step 2: Convert to fraction form
    74,072.88/102,213.14 = 41,804.61/x
  3. Step 3: Cross multiply
    74,072.88x = 102,213.14 × 41,804.61
  4. Step 4: Simplify right side
    74,072.88x = 4,272,980,097.40
  5. Step 5: Solve for x
    x = 4,272,980,097.40/74,072.88
  6. Step 6: Final answer
    x = 57,686.16

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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.