Home / 66,083.50-99,105.81-19,325.26

Finding the Fourth Proportional to 66,083.50, 99,105.81 and 19,325.26

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Solution

The fourth proportional to 66,083.50, 99,105.81 and 19,325.26 is: 28,982.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,083.50 : 99,105.81 = 19,325.26 : x
  2. Step 2: Convert to fraction form
    66,083.50/99,105.81 = 19,325.26/x
  3. Step 3: Cross multiply
    66,083.50x = 99,105.81 × 19,325.26
  4. Step 4: Simplify right side
    66,083.50x = 1,915,245,545.76
  5. Step 5: Solve for x
    x = 1,915,245,545.76/66,083.50
  6. Step 6: Final answer
    x = 28,982.21

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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.