Home / 68,386.44-102,583.98-28,938.36

Finding the Fourth Proportional to 68,386.44, 102,583.98 and 28,938.36

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Solution

The fourth proportional to 68,386.44, 102,583.98 and 28,938.36 is: 43,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.44 : 102,583.98 = 28,938.36 : x
  2. Step 2: Convert to fraction form
    68,386.44/102,583.98 = 28,938.36/x
  3. Step 3: Cross multiply
    68,386.44x = 102,583.98 × 28,938.36
  4. Step 4: Simplify right side
    68,386.44x = 2,968,612,143.47
  5. Step 5: Solve for x
    x = 2,968,612,143.47/68,386.44
  6. Step 6: Final answer
    x = 43,409.37

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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.