Home / 69,938.84-104,907.40-41,866.72

Finding the Fourth Proportional to 69,938.84, 104,907.40 and 41,866.72

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Solution

The fourth proportional to 69,938.84, 104,907.40 and 41,866.72 is: 62,799.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,938.84 : 104,907.40 = 41,866.72 : x
  2. Step 2: Convert to fraction form
    69,938.84/104,907.40 = 41,866.72/x
  3. Step 3: Cross multiply
    69,938.84x = 104,907.40 × 41,866.72
  4. Step 4: Simplify right side
    69,938.84x = 4,392,128,741.73
  5. Step 5: Solve for x
    x = 4,392,128,741.73/69,938.84
  6. Step 6: Final answer
    x = 62,799.57

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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.