Home / 74,687.37-103,067.35-40,696.26

Finding the Fourth Proportional to 74,687.37, 103,067.35 and 40,696.26

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Solution

The fourth proportional to 74,687.37, 103,067.35 and 40,696.26 is: 56,160.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,687.37 : 103,067.35 = 40,696.26 : x
  2. Step 2: Convert to fraction form
    74,687.37/103,067.35 = 40,696.26/x
  3. Step 3: Cross multiply
    74,687.37x = 103,067.35 × 40,696.26
  4. Step 4: Simplify right side
    74,687.37x = 4,194,455,673.11
  5. Step 5: Solve for x
    x = 4,194,455,673.11/74,687.37
  6. Step 6: Final answer
    x = 56,160.17

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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.