Home / 45,862.68-68,794.26-20,885.31

Finding the Fourth Proportional to 45,862.68, 68,794.26 and 20,885.31

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Solution

The fourth proportional to 45,862.68, 68,794.26 and 20,885.31 is: 31,328.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,862.68 : 68,794.26 = 20,885.31 : x
  2. Step 2: Convert to fraction form
    45,862.68/68,794.26 = 20,885.31/x
  3. Step 3: Cross multiply
    45,862.68x = 68,794.26 × 20,885.31
  4. Step 4: Simplify right side
    45,862.68x = 1,436,789,446.32
  5. Step 5: Solve for x
    x = 1,436,789,446.32/45,862.68
  6. Step 6: Final answer
    x = 31,328.07

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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.