Home / 75,756.42-113,623.69-23,151.78

Finding the Fourth Proportional to 75,756.42, 113,623.69 and 23,151.78

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Solution

The fourth proportional to 75,756.42, 113,623.69 and 23,151.78 is: 34,724.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,756.42 : 113,623.69 = 23,151.78 : x
  2. Step 2: Convert to fraction form
    75,756.42/113,623.69 = 23,151.78/x
  3. Step 3: Cross multiply
    75,756.42x = 113,623.69 × 23,151.78
  4. Step 4: Simplify right side
    75,756.42x = 2,630,590,615.79
  5. Step 5: Solve for x
    x = 2,630,590,615.79/75,756.42
  6. Step 6: Final answer
    x = 34,724.33

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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.