Home / 128,568.60-192,977.40-62,055.44

Finding the Fourth Proportional to 128,568.60, 192,977.40 and 62,055.44

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Solution

The fourth proportional to 128,568.60, 192,977.40 and 62,055.44 is: 93,143.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,568.60 : 192,977.40 = 62,055.44 : x
  2. Step 2: Convert to fraction form
    128,568.60/192,977.40 = 62,055.44/x
  3. Step 3: Cross multiply
    128,568.60x = 192,977.40 × 62,055.44
  4. Step 4: Simplify right side
    128,568.60x = 11,975,297,467.06
  5. Step 5: Solve for x
    x = 11,975,297,467.06/128,568.60
  6. Step 6: Final answer
    x = 93,143.25

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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.