Home / 55,625.76-83,375.06-20,070.81

Finding the Fourth Proportional to 55,625.76, 83,375.06 and 20,070.81

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Solution

The fourth proportional to 55,625.76, 83,375.06 and 20,070.81 is: 30,083.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,625.76 : 83,375.06 = 20,070.81 : x
  2. Step 2: Convert to fraction form
    55,625.76/83,375.06 = 20,070.81/x
  3. Step 3: Cross multiply
    55,625.76x = 83,375.06 × 20,070.81
  4. Step 4: Simplify right side
    55,625.76x = 1,673,404,887.64
  5. Step 5: Solve for x
    x = 1,673,404,887.64/55,625.76
  6. Step 6: Final answer
    x = 30,083.27

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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.