Home / 74,289.02-102,517.98-40,296.86

Finding the Fourth Proportional to 74,289.02, 102,517.98 and 40,296.86

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Solution

The fourth proportional to 74,289.02, 102,517.98 and 40,296.86 is: 55,609.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.02 : 102,517.98 = 40,296.86 : x
  2. Step 2: Convert to fraction form
    74,289.02/102,517.98 = 40,296.86/x
  3. Step 3: Cross multiply
    74,289.02x = 102,517.98 × 40,296.86
  4. Step 4: Simplify right side
    74,289.02x = 4,131,152,687.54
  5. Step 5: Solve for x
    x = 4,131,152,687.54/74,289.02
  6. Step 6: Final answer
    x = 55,609.20

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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.