Home / 74,982.88-103,435.44-48,095.48

Finding the Fourth Proportional to 74,982.88, 103,435.44 and 48,095.48

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Solution

The fourth proportional to 74,982.88, 103,435.44 and 48,095.48 is: 66,345.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,982.88 : 103,435.44 = 48,095.48 : x
  2. Step 2: Convert to fraction form
    74,982.88/103,435.44 = 48,095.48/x
  3. Step 3: Cross multiply
    74,982.88x = 103,435.44 × 48,095.48
  4. Step 4: Simplify right side
    74,982.88x = 4,974,777,135.81
  5. Step 5: Solve for x
    x = 4,974,777,135.81/74,982.88
  6. Step 6: Final answer
    x = 66,345.51

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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.