Home / 55,806.96-83,712.72-14,255.04

Finding the Fourth Proportional to 55,806.96, 83,712.72 and 14,255.04

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Solution

The fourth proportional to 55,806.96, 83,712.72 and 14,255.04 is: 21,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,806.96 : 83,712.72 = 14,255.04 : x
  2. Step 2: Convert to fraction form
    55,806.96/83,712.72 = 14,255.04/x
  3. Step 3: Cross multiply
    55,806.96x = 83,712.72 × 14,255.04
  4. Step 4: Simplify right side
    55,806.96x = 1,193,328,172.11
  5. Step 5: Solve for x
    x = 1,193,328,172.11/55,806.96
  6. Step 6: Final answer
    x = 21,383.14

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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.