Home / 86,675.20-130,016.52-27,513.28

Finding the Fourth Proportional to 86,675.20, 130,016.52 and 27,513.28

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Solution

The fourth proportional to 86,675.20, 130,016.52 and 27,513.28 is: 41,271.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,675.20 : 130,016.52 = 27,513.28 : x
  2. Step 2: Convert to fraction form
    86,675.20/130,016.52 = 27,513.28/x
  3. Step 3: Cross multiply
    86,675.20x = 130,016.52 × 27,513.28
  4. Step 4: Simplify right side
    86,675.20x = 3,577,180,919.39
  5. Step 5: Solve for x
    x = 3,577,180,919.39/86,675.20
  6. Step 6: Final answer
    x = 41,271.10

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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.