Home / 82,724.70-124,087.05-73,539.30

Finding the Fourth Proportional to 82,724.70, 124,087.05 and 73,539.30

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Solution

The fourth proportional to 82,724.70, 124,087.05 and 73,539.30 is: 110,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,724.70 : 124,087.05 = 73,539.30 : x
  2. Step 2: Convert to fraction form
    82,724.70/124,087.05 = 73,539.30/x
  3. Step 3: Cross multiply
    82,724.70x = 124,087.05 × 73,539.30
  4. Step 4: Simplify right side
    82,724.70x = 9,125,274,796.07
  5. Step 5: Solve for x
    x = 9,125,274,796.07/82,724.70
  6. Step 6: Final answer
    x = 110,308.95

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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.