Home / 86,676.20-130,018.02-27,514.28

Finding the Fourth Proportional to 86,676.20, 130,018.02 and 27,514.28

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Solution

The fourth proportional to 86,676.20, 130,018.02 and 27,514.28 is: 41,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,676.20 : 130,018.02 = 27,514.28 : x
  2. Step 2: Convert to fraction form
    86,676.20/130,018.02 = 27,514.28/x
  3. Step 3: Cross multiply
    86,676.20x = 130,018.02 × 27,514.28
  4. Step 4: Simplify right side
    86,676.20x = 3,577,352,207.33
  5. Step 5: Solve for x
    x = 3,577,352,207.33/86,676.20
  6. Step 6: Final answer
    x = 41,272.60

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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.