Home / 66,971.69-100,387.66-22,583.18

Finding the Fourth Proportional to 66,971.69, 100,387.66 and 22,583.18

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Solution

The fourth proportional to 66,971.69, 100,387.66 and 22,583.18 is: 33,851.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,971.69 : 100,387.66 = 22,583.18 : x
  2. Step 2: Convert to fraction form
    66,971.69/100,387.66 = 22,583.18/x
  3. Step 3: Cross multiply
    66,971.69x = 100,387.66 × 22,583.18
  4. Step 4: Simplify right side
    66,971.69x = 2,267,071,980.70
  5. Step 5: Solve for x
    x = 2,267,071,980.70/66,971.69
  6. Step 6: Final answer
    x = 33,851.20

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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.