Home / 74,914.56-103,386.24-41,379.84

Finding the Fourth Proportional to 74,914.56, 103,386.24 and 41,379.84

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Solution

The fourth proportional to 74,914.56, 103,386.24 and 41,379.84 is: 57,106.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,914.56 : 103,386.24 = 41,379.84 : x
  2. Step 2: Convert to fraction form
    74,914.56/103,386.24 = 41,379.84/x
  3. Step 3: Cross multiply
    74,914.56x = 103,386.24 × 41,379.84
  4. Step 4: Simplify right side
    74,914.56x = 4,278,106,069.40
  5. Step 5: Solve for x
    x = 4,278,106,069.40/74,914.56
  6. Step 6: Final answer
    x = 57,106.47

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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.