Home / 86,150.68-129,215.73-22,975.54

Finding the Fourth Proportional to 86,150.68, 129,215.73 and 22,975.54

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Solution

The fourth proportional to 86,150.68, 129,215.73 and 22,975.54 is: 34,460.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,150.68 : 129,215.73 = 22,975.54 : x
  2. Step 2: Convert to fraction form
    86,150.68/129,215.73 = 22,975.54/x
  3. Step 3: Cross multiply
    86,150.68x = 129,215.73 × 22,975.54
  4. Step 4: Simplify right side
    86,150.68x = 2,968,801,173.24
  5. Step 5: Solve for x
    x = 2,968,801,173.24/86,150.68
  6. Step 6: Final answer
    x = 34,460.57

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1.5x scale

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.