Home / 92,748.84-139,131.60-26,189.64

Finding the Fourth Proportional to 92,748.84, 139,131.60 and 26,189.64

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Solution

The fourth proportional to 92,748.84, 139,131.60 and 26,189.64 is: 39,286.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,748.84 : 139,131.60 = 26,189.64 : x
  2. Step 2: Convert to fraction form
    92,748.84/139,131.60 = 26,189.64/x
  3. Step 3: Cross multiply
    92,748.84x = 139,131.60 × 26,189.64
  4. Step 4: Simplify right side
    92,748.84x = 3,643,806,516.62
  5. Step 5: Solve for x
    x = 3,643,806,516.62/92,748.84
  6. Step 6: Final answer
    x = 39,286.81

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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.