Home / 68,389.44-102,588.48-28,941.36

Finding the Fourth Proportional to 68,389.44, 102,588.48 and 28,941.36

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Solution

The fourth proportional to 68,389.44, 102,588.48 and 28,941.36 is: 43,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,389.44 : 102,588.48 = 28,941.36 : x
  2. Step 2: Convert to fraction form
    68,389.44/102,588.48 = 28,941.36/x
  3. Step 3: Cross multiply
    68,389.44x = 102,588.48 × 28,941.36
  4. Step 4: Simplify right side
    68,389.44x = 2,969,050,131.53
  5. Step 5: Solve for x
    x = 2,969,050,131.53/68,389.44
  6. Step 6: Final answer
    x = 43,413.87

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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.