Home / 40,051.69-60,081.65-15,112.73

Finding the Fourth Proportional to 40,051.69, 60,081.65 and 15,112.73

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Solution

The fourth proportional to 40,051.69, 60,081.65 and 15,112.73 is: 22,670.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,051.69 : 60,081.65 = 15,112.73 : x
  2. Step 2: Convert to fraction form
    40,051.69/60,081.65 = 15,112.73/x
  3. Step 3: Cross multiply
    40,051.69x = 60,081.65 × 15,112.73
  4. Step 4: Simplify right side
    40,051.69x = 907,997,378.43
  5. Step 5: Solve for x
    x = 907,997,378.43/40,051.69
  6. Step 6: Final answer
    x = 22,670.64

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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.