Home / 99,769.05-149,653.56-66,553.98

Finding the Fourth Proportional to 99,769.05, 149,653.56 and 66,553.98

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Solution

The fourth proportional to 99,769.05, 149,653.56 and 66,553.98 is: 99,830.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,769.05 : 149,653.56 = 66,553.98 : x
  2. Step 2: Convert to fraction form
    99,769.05/149,653.56 = 66,553.98/x
  3. Step 3: Cross multiply
    99,769.05x = 149,653.56 × 66,553.98
  4. Step 4: Simplify right side
    99,769.05x = 9,960,040,039.17
  5. Step 5: Solve for x
    x = 9,960,040,039.17/99,769.05
  6. Step 6: Final answer
    x = 99,830.96

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1.5x scale

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.