Home / 86,078.53-129,125.24-23,749.03

Finding the Fourth Proportional to 86,078.53, 129,125.24 and 23,749.03

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Solution

The fourth proportional to 86,078.53, 129,125.24 and 23,749.03 is: 35,625.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,078.53 : 129,125.24 = 23,749.03 : x
  2. Step 2: Convert to fraction form
    86,078.53/129,125.24 = 23,749.03/x
  3. Step 3: Cross multiply
    86,078.53x = 129,125.24 × 23,749.03
  4. Step 4: Simplify right side
    86,078.53x = 3,066,599,330.24
  5. Step 5: Solve for x
    x = 3,066,599,330.24/86,078.53
  6. Step 6: Final answer
    x = 35,625.60

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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.