Home / 127,069.83-175,361.91-76,072.73

Finding the Fourth Proportional to 127,069.83, 175,361.91 and 76,072.73

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Solution

The fourth proportional to 127,069.83, 175,361.91 and 76,072.73 is: 104,983.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,069.83 : 175,361.91 = 76,072.73 : x
  2. Step 2: Convert to fraction form
    127,069.83/175,361.91 = 76,072.73/x
  3. Step 3: Cross multiply
    127,069.83x = 175,361.91 × 76,072.73
  4. Step 4: Simplify right side
    127,069.83x = 13,340,259,670.12
  5. Step 5: Solve for x
    x = 13,340,259,670.12/127,069.83
  6. Step 6: Final answer
    x = 104,983.69

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1.5x scale

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.