Home / 61,140.78-91,575.60-46,996.56

Finding the Fourth Proportional to 61,140.78, 91,575.60 and 46,996.56

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Solution

The fourth proportional to 61,140.78, 91,575.60 and 46,996.56 is: 70,390.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,140.78 : 91,575.60 = 46,996.56 : x
  2. Step 2: Convert to fraction form
    61,140.78/91,575.60 = 46,996.56/x
  3. Step 3: Cross multiply
    61,140.78x = 91,575.60 × 46,996.56
  4. Step 4: Simplify right side
    61,140.78x = 4,303,738,179.94
  5. Step 5: Solve for x
    x = 4,303,738,179.94/61,140.78
  6. Step 6: Final answer
    x = 70,390.63

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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.