Home / 74,563.90-102,896.88-40,571.24

Finding the Fourth Proportional to 74,563.90, 102,896.88 and 40,571.24

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Solution

The fourth proportional to 74,563.90, 102,896.88 and 40,571.24 is: 55,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,563.90 : 102,896.88 = 40,571.24 : x
  2. Step 2: Convert to fraction form
    74,563.90/102,896.88 = 40,571.24/x
  3. Step 3: Cross multiply
    74,563.90x = 102,896.88 × 40,571.24
  4. Step 4: Simplify right side
    74,563.90x = 4,174,654,013.73
  5. Step 5: Solve for x
    x = 4,174,654,013.73/74,563.90
  6. Step 6: Final answer
    x = 55,987.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.