Home / 55,390.10-83,112.26-34,324.50

Finding the Fourth Proportional to 55,390.10, 83,112.26 and 34,324.50

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Solution

The fourth proportional to 55,390.10, 83,112.26 and 34,324.50 is: 51,503.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,390.10 : 83,112.26 = 34,324.50 : x
  2. Step 2: Convert to fraction form
    55,390.10/83,112.26 = 34,324.50/x
  3. Step 3: Cross multiply
    55,390.10x = 83,112.26 × 34,324.50
  4. Step 4: Simplify right side
    55,390.10x = 2,852,786,768.37
  5. Step 5: Solve for x
    x = 2,852,786,768.37/55,390.10
  6. Step 6: Final answer
    x = 51,503.55

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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.