Home / 68,374.36-102,541.38-28,930.60

Finding the Fourth Proportional to 68,374.36, 102,541.38 and 28,930.60

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Solution

The fourth proportional to 68,374.36, 102,541.38 and 28,930.60 is: 43,387.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,374.36 : 102,541.38 = 28,930.60 : x
  2. Step 2: Convert to fraction form
    68,374.36/102,541.38 = 28,930.60/x
  3. Step 3: Cross multiply
    68,374.36x = 102,541.38 × 28,930.60
  4. Step 4: Simplify right side
    68,374.36x = 2,966,583,648.23
  5. Step 5: Solve for x
    x = 2,966,583,648.23/68,374.36
  6. Step 6: Final answer
    x = 43,387.37

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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.