Home / 103,756.33-155,638.14-33,636.25

Finding the Fourth Proportional to 103,756.33, 155,638.14 and 33,636.25

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Solution

The fourth proportional to 103,756.33, 155,638.14 and 33,636.25 is: 50,455.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,756.33 : 155,638.14 = 33,636.25 : x
  2. Step 2: Convert to fraction form
    103,756.33/155,638.14 = 33,636.25/x
  3. Step 3: Cross multiply
    103,756.33x = 155,638.14 × 33,636.25
  4. Step 4: Simplify right side
    103,756.33x = 5,235,083,386.58
  5. Step 5: Solve for x
    x = 5,235,083,386.58/103,756.33
  6. Step 6: Final answer
    x = 50,455.56

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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.