Home / 74,837.96-103,309.98-49,359.32

Finding the Fourth Proportional to 74,837.96, 103,309.98 and 49,359.32

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Solution

The fourth proportional to 74,837.96, 103,309.98 and 49,359.32 is: 68,138.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,837.96 : 103,309.98 = 49,359.32 : x
  2. Step 2: Convert to fraction form
    74,837.96/103,309.98 = 49,359.32/x
  3. Step 3: Cross multiply
    74,837.96x = 103,309.98 × 49,359.32
  4. Step 4: Simplify right side
    74,837.96x = 5,099,310,362.01
  5. Step 5: Solve for x
    x = 5,099,310,362.01/74,837.96
  6. Step 6: Final answer
    x = 68,138.02

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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.