Home / 103,555.88-155,364.06-41,235.56

Finding the Fourth Proportional to 103,555.88, 155,364.06 and 41,235.56

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Solution

The fourth proportional to 103,555.88, 155,364.06 and 41,235.56 is: 61,865.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,555.88 : 155,364.06 = 41,235.56 : x
  2. Step 2: Convert to fraction form
    103,555.88/155,364.06 = 41,235.56/x
  3. Step 3: Cross multiply
    103,555.88x = 155,364.06 × 41,235.56
  4. Step 4: Simplify right side
    103,555.88x = 6,406,524,017.97
  5. Step 5: Solve for x
    x = 6,406,524,017.97/103,555.88
  6. Step 6: Final answer
    x = 61,865.38

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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.