Home / 115,442.31-173,180.79-40,549.26

Finding the Fourth Proportional to 115,442.31, 173,180.79 and 40,549.26

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Solution

The fourth proportional to 115,442.31, 173,180.79 and 40,549.26 is: 60,829.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442.31 : 173,180.79 = 40,549.26 : x
  2. Step 2: Convert to fraction form
    115,442.31/173,180.79 = 40,549.26/x
  3. Step 3: Cross multiply
    115,442.31x = 173,180.79 × 40,549.26
  4. Step 4: Simplify right side
    115,442.31x = 7,022,352,880.72
  5. Step 5: Solve for x
    x = 7,022,352,880.72/115,442.31
  6. Step 6: Final answer
    x = 60,829.98

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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.