Home / 99,964.22-149,817.17-74,806.89

Finding the Fourth Proportional to 99,964.22, 149,817.17 and 74,806.89

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Solution

The fourth proportional to 99,964.22, 149,817.17 and 74,806.89 is: 112,113.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,964.22 : 149,817.17 = 74,806.89 : x
  2. Step 2: Convert to fraction form
    99,964.22/149,817.17 = 74,806.89/x
  3. Step 3: Cross multiply
    99,964.22x = 149,817.17 × 74,806.89
  4. Step 4: Simplify right side
    99,964.22x = 11,207,356,182.27
  5. Step 5: Solve for x
    x = 11,207,356,182.27/99,964.22
  6. Step 6: Final answer
    x = 112,113.67

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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.