Home / 45,186.55-67,766.86-17,478.07

Finding the Fourth Proportional to 45,186.55, 67,766.86 and 17,478.07

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Solution

The fourth proportional to 45,186.55, 67,766.86 and 17,478.07 is: 26,212.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,186.55 : 67,766.86 = 17,478.07 : x
  2. Step 2: Convert to fraction form
    45,186.55/67,766.86 = 17,478.07/x
  3. Step 3: Cross multiply
    45,186.55x = 67,766.86 × 17,478.07
  4. Step 4: Simplify right side
    45,186.55x = 1,184,433,922.76
  5. Step 5: Solve for x
    x = 1,184,433,922.76/45,186.55
  6. Step 6: Final answer
    x = 26,212.09

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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.