Home / 74,920.04-103,388.26-41,385.32

Finding the Fourth Proportional to 74,920.04, 103,388.26 and 41,385.32

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Solution

The fourth proportional to 74,920.04, 103,388.26 and 41,385.32 is: 57,110.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,920.04 : 103,388.26 = 41,385.32 : x
  2. Step 2: Convert to fraction form
    74,920.04/103,388.26 = 41,385.32/x
  3. Step 3: Cross multiply
    74,920.04x = 103,388.26 × 41,385.32
  4. Step 4: Simplify right side
    74,920.04x = 4,278,756,224.34
  5. Step 5: Solve for x
    x = 4,278,756,224.34/74,920.04
  6. Step 6: Final answer
    x = 57,110.97

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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.