Home / 111,583.26-153,986.10-61,282.26

Finding the Fourth Proportional to 111,583.26, 153,986.10 and 61,282.26

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Solution

The fourth proportional to 111,583.26, 153,986.10 and 61,282.26 is: 84,570.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,583.26 : 153,986.10 = 61,282.26 : x
  2. Step 2: Convert to fraction form
    111,583.26/153,986.10 = 61,282.26/x
  3. Step 3: Cross multiply
    111,583.26x = 153,986.10 × 61,282.26
  4. Step 4: Simplify right side
    111,583.26x = 9,436,616,216.59
  5. Step 5: Solve for x
    x = 9,436,616,216.59/111,583.26
  6. Step 6: Final answer
    x = 84,570.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.