Home / 68,870.07-103,083.64-35,544.74

Finding the Fourth Proportional to 68,870.07, 103,083.64 and 35,544.74

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Solution

The fourth proportional to 68,870.07, 103,083.64 and 35,544.74 is: 53,202.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,870.07 : 103,083.64 = 35,544.74 : x
  2. Step 2: Convert to fraction form
    68,870.07/103,083.64 = 35,544.74/x
  3. Step 3: Cross multiply
    68,870.07x = 103,083.64 × 35,544.74
  4. Step 4: Simplify right side
    68,870.07x = 3,664,081,182.05
  5. Step 5: Solve for x
    x = 3,664,081,182.05/68,870.07
  6. Step 6: Final answer
    x = 53,202.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.