Home / 74,286.84-102,453.48-48,773.66

Finding the Fourth Proportional to 74,286.84, 102,453.48 and 48,773.66

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Solution

The fourth proportional to 74,286.84, 102,453.48 and 48,773.66 is: 67,266.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,286.84 : 102,453.48 = 48,773.66 : x
  2. Step 2: Convert to fraction form
    74,286.84/102,453.48 = 48,773.66/x
  3. Step 3: Cross multiply
    74,286.84x = 102,453.48 × 48,773.66
  4. Step 4: Simplify right side
    74,286.84x = 4,997,031,400.55
  5. Step 5: Solve for x
    x = 4,997,031,400.55/74,286.84
  6. Step 6: Final answer
    x = 67,266.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.