Home / 74,716.83-103,110.33-40,725.27

Finding the Fourth Proportional to 74,716.83, 103,110.33 and 40,725.27

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Solution

The fourth proportional to 74,716.83, 103,110.33 and 40,725.27 is: 56,201.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,716.83 : 103,110.33 = 40,725.27 : x
  2. Step 2: Convert to fraction form
    74,716.83/103,110.33 = 40,725.27/x
  3. Step 3: Cross multiply
    74,716.83x = 103,110.33 × 40,725.27
  4. Step 4: Simplify right side
    74,716.83x = 4,199,196,029.04
  5. Step 5: Solve for x
    x = 4,199,196,029.04/74,716.83
  6. Step 6: Final answer
    x = 56,201.47

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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.