Home / 86,514.30-129,771.45-27,368.10

Finding the Fourth Proportional to 86,514.30, 129,771.45 and 27,368.10

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Solution

The fourth proportional to 86,514.30, 129,771.45 and 27,368.10 is: 41,052.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,514.30 : 129,771.45 = 27,368.10 : x
  2. Step 2: Convert to fraction form
    86,514.30/129,771.45 = 27,368.10/x
  3. Step 3: Cross multiply
    86,514.30x = 129,771.45 × 27,368.10
  4. Step 4: Simplify right side
    86,514.30x = 3,551,598,020.75
  5. Step 5: Solve for x
    x = 3,551,598,020.75/86,514.30
  6. Step 6: Final answer
    x = 41,052.15

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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.