Home / 105,744.60-158,615.52-25,782.96

Finding the Fourth Proportional to 105,744.60, 158,615.52 and 25,782.96

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Solution

The fourth proportional to 105,744.60, 158,615.52 and 25,782.96 is: 38,674.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,744.60 : 158,615.52 = 25,782.96 : x
  2. Step 2: Convert to fraction form
    105,744.60/158,615.52 = 25,782.96/x
  3. Step 3: Cross multiply
    105,744.60x = 158,615.52 × 25,782.96
  4. Step 4: Simplify right side
    105,744.60x = 4,089,577,607.54
  5. Step 5: Solve for x
    x = 4,089,577,607.54/105,744.60
  6. Step 6: Final answer
    x = 38,674.10

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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.