Home / 66,190.23-99,301.75-19,443.11

Finding the Fourth Proportional to 66,190.23, 99,301.75 and 19,443.11

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Solution

The fourth proportional to 66,190.23, 99,301.75 and 19,443.11 is: 29,169.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,190.23 : 99,301.75 = 19,443.11 : x
  2. Step 2: Convert to fraction form
    66,190.23/99,301.75 = 19,443.11/x
  3. Step 3: Cross multiply
    66,190.23x = 99,301.75 × 19,443.11
  4. Step 4: Simplify right side
    66,190.23x = 1,930,734,303.33
  5. Step 5: Solve for x
    x = 1,930,734,303.33/66,190.23
  6. Step 6: Final answer
    x = 29,169.48

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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.