Home / 104,145.64-143,719.86-58,823.71

Finding the Fourth Proportional to 104,145.64, 143,719.86 and 58,823.71

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Solution

The fourth proportional to 104,145.64, 143,719.86 and 58,823.71 is: 81,176.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,145.64 : 143,719.86 = 58,823.71 : x
  2. Step 2: Convert to fraction form
    104,145.64/143,719.86 = 58,823.71/x
  3. Step 3: Cross multiply
    104,145.64x = 143,719.86 × 58,823.71
  4. Step 4: Simplify right side
    104,145.64x = 8,454,135,365.88
  5. Step 5: Solve for x
    x = 8,454,135,365.88/104,145.64
  6. Step 6: Final answer
    x = 81,176.09

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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.