Home / 76,670.73-115,012.69-23,361.55

Finding the Fourth Proportional to 76,670.73, 115,012.69 and 23,361.55

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Solution

The fourth proportional to 76,670.73, 115,012.69 and 23,361.55 is: 35,044.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,670.73 : 115,012.69 = 23,361.55 : x
  2. Step 2: Convert to fraction form
    76,670.73/115,012.69 = 23,361.55/x
  3. Step 3: Cross multiply
    76,670.73x = 115,012.69 × 23,361.55
  4. Step 4: Simplify right side
    76,670.73x = 2,686,874,362.13
  5. Step 5: Solve for x
    x = 2,686,874,362.13/76,670.73
  6. Step 6: Final answer
    x = 35,044.33

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1.5x scale

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.