Home / 86,825.32-130,255.26-27,659.08

Finding the Fourth Proportional to 86,825.32, 130,255.26 and 27,659.08

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Solution

The fourth proportional to 86,825.32, 130,255.26 and 27,659.08 is: 41,494.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,825.32 : 130,255.26 = 27,659.08 : x
  2. Step 2: Convert to fraction form
    86,825.32/130,255.26 = 27,659.08/x
  3. Step 3: Cross multiply
    86,825.32x = 130,255.26 × 27,659.08
  4. Step 4: Simplify right side
    86,825.32x = 3,602,740,656.76
  5. Step 5: Solve for x
    x = 3,602,740,656.76/86,825.32
  6. Step 6: Final answer
    x = 41,494.12

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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.