Home / 111,028.08-153,219.96-60,726

Finding the Fourth Proportional to 111,028.08, 153,219.96 and 60,726

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Solution

The fourth proportional to 111,028.08, 153,219.96 and 60,726 is: 83,802.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,028.08 : 153,219.96 = 60,726 : x
  2. Step 2: Convert to fraction form
    111,028.08/153,219.96 = 60,726/x
  3. Step 3: Cross multiply
    111,028.08x = 153,219.96 × 60,726
  4. Step 4: Simplify right side
    111,028.08x = 9,304,435,290.96
  5. Step 5: Solve for x
    x = 9,304,435,290.96/111,028.08
  6. Step 6: Final answer
    x = 83,802.54

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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.