Home / 66,584.07-99,852.72-19,186.48

Finding the Fourth Proportional to 66,584.07, 99,852.72 and 19,186.48

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Solution

The fourth proportional to 66,584.07, 99,852.72 and 19,186.48 is: 28,772.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,584.07 : 99,852.72 = 19,186.48 : x
  2. Step 2: Convert to fraction form
    66,584.07/99,852.72 = 19,186.48/x
  3. Step 3: Cross multiply
    66,584.07x = 99,852.72 × 19,186.48
  4. Step 4: Simplify right side
    66,584.07x = 1,915,822,570.40
  5. Step 5: Solve for x
    x = 1,915,822,570.40/66,584.07
  6. Step 6: Final answer
    x = 28,772.99

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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.