Home / 98,222.36-135,610.42-76,674.94

Finding the Fourth Proportional to 98,222.36, 135,610.42 and 76,674.94

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Solution

The fourth proportional to 98,222.36, 135,610.42 and 76,674.94 is: 105,861.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,222.36 : 135,610.42 = 76,674.94 : x
  2. Step 2: Convert to fraction form
    98,222.36/135,610.42 = 76,674.94/x
  3. Step 3: Cross multiply
    98,222.36x = 135,610.42 × 76,674.94
  4. Step 4: Simplify right side
    98,222.36x = 10,397,920,433.50
  5. Step 5: Solve for x
    x = 10,397,920,433.50/98,222.36
  6. Step 6: Final answer
    x = 105,861.03

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1.5x scale

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.