Home / 74,878.94-103,355.82-46,207.37

Finding the Fourth Proportional to 74,878.94, 103,355.82 and 46,207.37

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Solution

The fourth proportional to 74,878.94, 103,355.82 and 46,207.37 is: 63,780.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,878.94 : 103,355.82 = 46,207.37 : x
  2. Step 2: Convert to fraction form
    74,878.94/103,355.82 = 46,207.37/x
  3. Step 3: Cross multiply
    74,878.94x = 103,355.82 × 46,207.37
  4. Step 4: Simplify right side
    74,878.94x = 4,775,800,874.78
  5. Step 5: Solve for x
    x = 4,775,800,874.78/74,878.94
  6. Step 6: Final answer
    x = 63,780.29

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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.