Home / 74,748.09-112,174.68-67,601.66

Finding the Fourth Proportional to 74,748.09, 112,174.68 and 67,601.66

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Solution

The fourth proportional to 74,748.09, 112,174.68 and 67,601.66 is: 101,450.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,748.09 : 112,174.68 = 67,601.66 : x
  2. Step 2: Convert to fraction form
    74,748.09/112,174.68 = 67,601.66/x
  3. Step 3: Cross multiply
    74,748.09x = 112,174.68 × 67,601.66
  4. Step 4: Simplify right side
    74,748.09x = 7,583,194,884.35
  5. Step 5: Solve for x
    x = 7,583,194,884.35/74,748.09
  6. Step 6: Final answer
    x = 101,450.01

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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.