Home / 70,924.31-106,390.11-18,334.25

Finding the Fourth Proportional to 70,924.31, 106,390.11 and 18,334.25

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Solution

The fourth proportional to 70,924.31, 106,390.11 and 18,334.25 is: 27,502.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,924.31 : 106,390.11 = 18,334.25 : x
  2. Step 2: Convert to fraction form
    70,924.31/106,390.11 = 18,334.25/x
  3. Step 3: Cross multiply
    70,924.31x = 106,390.11 × 18,334.25
  4. Step 4: Simplify right side
    70,924.31x = 1,950,582,874.27
  5. Step 5: Solve for x
    x = 1,950,582,874.27/70,924.31
  6. Step 6: Final answer
    x = 27,502.32

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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.