Home / 105,812.53-158,716.74-25,851.02

Finding the Fourth Proportional to 105,812.53, 158,716.74 and 25,851.02

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Solution

The fourth proportional to 105,812.53, 158,716.74 and 25,851.02 is: 38,776.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,812.53 : 158,716.74 = 25,851.02 : x
  2. Step 2: Convert to fraction form
    105,812.53/158,716.74 = 25,851.02/x
  3. Step 3: Cross multiply
    105,812.53x = 158,716.74 × 25,851.02
  4. Step 4: Simplify right side
    105,812.53x = 4,102,990,189.90
  5. Step 5: Solve for x
    x = 4,102,990,189.90/105,812.53
  6. Step 6: Final answer
    x = 38,776.03

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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.