Home / 74,076.77-102,226.22-40,085.26

Finding the Fourth Proportional to 74,076.77, 102,226.22 and 40,085.26

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Solution

The fourth proportional to 74,076.77, 102,226.22 and 40,085.26 is: 55,317.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,076.77 : 102,226.22 = 40,085.26 : x
  2. Step 2: Convert to fraction form
    74,076.77/102,226.22 = 40,085.26/x
  3. Step 3: Cross multiply
    74,076.77x = 102,226.22 × 40,085.26
  4. Step 4: Simplify right side
    74,076.77x = 4,097,764,607.52
  5. Step 5: Solve for x
    x = 4,097,764,607.52/74,076.77
  6. Step 6: Final answer
    x = 55,317.81

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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.