Home / 66,091.32-99,137.28-19,344.18

Finding the Fourth Proportional to 66,091.32, 99,137.28 and 19,344.18

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Solution

The fourth proportional to 66,091.32, 99,137.28 and 19,344.18 is: 29,016.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,091.32 : 99,137.28 = 19,344.18 : x
  2. Step 2: Convert to fraction form
    66,091.32/99,137.28 = 19,344.18/x
  3. Step 3: Cross multiply
    66,091.32x = 99,137.28 × 19,344.18
  4. Step 4: Simplify right side
    66,091.32x = 1,917,729,389.03
  5. Step 5: Solve for x
    x = 1,917,729,389.03/66,091.32
  6. Step 6: Final answer
    x = 29,016.36

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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.