Home / 105,813.03-158,717.49-25,851.53

Finding the Fourth Proportional to 105,813.03, 158,717.49 and 25,851.53

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Solution

The fourth proportional to 105,813.03, 158,717.49 and 25,851.53 is: 38,776.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,813.03 : 158,717.49 = 25,851.53 : x
  2. Step 2: Convert to fraction form
    105,813.03/158,717.49 = 25,851.53/x
  3. Step 3: Cross multiply
    105,813.03x = 158,717.49 × 25,851.53
  4. Step 4: Simplify right side
    105,813.03x = 4,103,089,160.67
  5. Step 5: Solve for x
    x = 4,103,089,160.67/105,813.03
  6. Step 6: Final answer
    x = 38,776.79

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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.