Home / 92,949.06-139,415.04-30,619.56

Finding the Fourth Proportional to 92,949.06, 139,415.04 and 30,619.56

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Solution

The fourth proportional to 92,949.06, 139,415.04 and 30,619.56 is: 45,926.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,949.06 : 139,415.04 = 30,619.56 : x
  2. Step 2: Convert to fraction form
    92,949.06/139,415.04 = 30,619.56/x
  3. Step 3: Cross multiply
    92,949.06x = 139,415.04 × 30,619.56
  4. Step 4: Simplify right side
    92,949.06x = 4,268,827,182.18
  5. Step 5: Solve for x
    x = 4,268,827,182.18/92,949.06
  6. Step 6: Final answer
    x = 45,926.52

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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.