Home / 73,983.50-102,099.75-40,451.66

Finding the Fourth Proportional to 73,983.50, 102,099.75 and 40,451.66

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Solution

The fourth proportional to 73,983.50, 102,099.75 and 40,451.66 is: 55,824.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,983.50 : 102,099.75 = 40,451.66 : x
  2. Step 2: Convert to fraction form
    73,983.50/102,099.75 = 40,451.66/x
  3. Step 3: Cross multiply
    73,983.50x = 102,099.75 × 40,451.66
  4. Step 4: Simplify right side
    73,983.50x = 4,130,104,373.09
  5. Step 5: Solve for x
    x = 4,130,104,373.09/73,983.50
  6. Step 6: Final answer
    x = 55,824.67

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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.