Home / 66,465.12-99,711.28-27,022.16

Finding the Fourth Proportional to 66,465.12, 99,711.28 and 27,022.16

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Solution

The fourth proportional to 66,465.12, 99,711.28 and 27,022.16 is: 40,538.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,465.12 : 99,711.28 = 27,022.16 : x
  2. Step 2: Convert to fraction form
    66,465.12/99,711.28 = 27,022.16/x
  3. Step 3: Cross multiply
    66,465.12x = 99,711.28 × 27,022.16
  4. Step 4: Simplify right side
    66,465.12x = 2,694,414,161.96
  5. Step 5: Solve for x
    x = 2,694,414,161.96/66,465.12
  6. Step 6: Final answer
    x = 40,538.77

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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.