Home / 55,348.22-83,021.88-15,905.18

Finding the Fourth Proportional to 55,348.22, 83,021.88 and 15,905.18

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Solution

The fourth proportional to 55,348.22, 83,021.88 and 15,905.18 is: 23,857.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,348.22 : 83,021.88 = 15,905.18 : x
  2. Step 2: Convert to fraction form
    55,348.22/83,021.88 = 15,905.18/x
  3. Step 3: Cross multiply
    55,348.22x = 83,021.88 × 15,905.18
  4. Step 4: Simplify right side
    55,348.22x = 1,320,477,945.34
  5. Step 5: Solve for x
    x = 1,320,477,945.34/55,348.22
  6. Step 6: Final answer
    x = 23,857.64

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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.