Home / 49,679.12-74,530.52-14,619.92

Finding the Fourth Proportional to 49,679.12, 74,530.52 and 14,619.92

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Solution

The fourth proportional to 49,679.12, 74,530.52 and 14,619.92 is: 21,933.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.12 : 74,530.52 = 14,619.92 : x
  2. Step 2: Convert to fraction form
    49,679.12/74,530.52 = 14,619.92/x
  3. Step 3: Cross multiply
    49,679.12x = 74,530.52 × 14,619.92
  4. Step 4: Simplify right side
    49,679.12x = 1,089,630,239.96
  5. Step 5: Solve for x
    x = 1,089,630,239.96/49,679.12
  6. Step 6: Final answer
    x = 21,933.36

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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.