Home / 86,627.41-129,959.48-27,455.29

Finding the Fourth Proportional to 86,627.41, 129,959.48 and 27,455.29

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Solution

The fourth proportional to 86,627.41, 129,959.48 and 27,455.29 is: 41,188.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,627.41 : 129,959.48 = 27,455.29 : x
  2. Step 2: Convert to fraction form
    86,627.41/129,959.48 = 27,455.29/x
  3. Step 3: Cross multiply
    86,627.41x = 129,959.48 × 27,455.29
  4. Step 4: Simplify right side
    86,627.41x = 3,568,075,074.37
  5. Step 5: Solve for x
    x = 3,568,075,074.37/86,627.41
  6. Step 6: Final answer
    x = 41,188.75

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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.