Home / 45,390.82-68,023.69-23,157.74

Finding the Fourth Proportional to 45,390.82, 68,023.69 and 23,157.74

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Solution

The fourth proportional to 45,390.82, 68,023.69 and 23,157.74 is: 34,704.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,390.82 : 68,023.69 = 23,157.74 : x
  2. Step 2: Convert to fraction form
    45,390.82/68,023.69 = 23,157.74/x
  3. Step 3: Cross multiply
    45,390.82x = 68,023.69 × 23,157.74
  4. Step 4: Simplify right side
    45,390.82x = 1,575,274,926.86
  5. Step 5: Solve for x
    x = 1,575,274,926.86/45,390.82
  6. Step 6: Final answer
    x = 34,704.70

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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.