Home / 113,842.40-170,812.20-54,647.60

Finding the Fourth Proportional to 113,842.40, 170,812.20 and 54,647.60

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Solution

The fourth proportional to 113,842.40, 170,812.20 and 54,647.60 is: 81,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,842.40 : 170,812.20 = 54,647.60 : x
  2. Step 2: Convert to fraction form
    113,842.40/170,812.20 = 54,647.60/x
  3. Step 3: Cross multiply
    113,842.40x = 170,812.20 × 54,647.60
  4. Step 4: Simplify right side
    113,842.40x = 9,334,476,780.72
  5. Step 5: Solve for x
    x = 9,334,476,780.72/113,842.40
  6. Step 6: Final answer
    x = 81,994.73

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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.