Home / 92,739.09-139,015.14-36,557.44

Finding the Fourth Proportional to 92,739.09, 139,015.14 and 36,557.44

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Solution

The fourth proportional to 92,739.09, 139,015.14 and 36,557.44 is: 54,799.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,739.09 : 139,015.14 = 36,557.44 : x
  2. Step 2: Convert to fraction form
    92,739.09/139,015.14 = 36,557.44/x
  3. Step 3: Cross multiply
    92,739.09x = 139,015.14 × 36,557.44
  4. Step 4: Simplify right side
    92,739.09x = 5,082,036,944.57
  5. Step 5: Solve for x
    x = 5,082,036,944.57/92,739.09
  6. Step 6: Final answer
    x = 54,799.30

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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.