Home / 74,786.58-103,203.54-40,795.83

Finding the Fourth Proportional to 74,786.58, 103,203.54 and 40,795.83

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Solution

The fourth proportional to 74,786.58, 103,203.54 and 40,795.83 is: 56,297.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,786.58 : 103,203.54 = 40,795.83 : x
  2. Step 2: Convert to fraction form
    74,786.58/103,203.54 = 40,795.83/x
  3. Step 3: Cross multiply
    74,786.58x = 103,203.54 × 40,795.83
  4. Step 4: Simplify right side
    74,786.58x = 4,210,274,073.24
  5. Step 5: Solve for x
    x = 4,210,274,073.24/74,786.58
  6. Step 6: Final answer
    x = 56,297.19

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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.