Home / 86,676.09-119,577.39-52,679.10

Finding the Fourth Proportional to 86,676.09, 119,577.39 and 52,679.10

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Solution

The fourth proportional to 86,676.09, 119,577.39 and 52,679.10 is: 72,675.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,676.09 : 119,577.39 = 52,679.10 : x
  2. Step 2: Convert to fraction form
    86,676.09/119,577.39 = 52,679.10/x
  3. Step 3: Cross multiply
    86,676.09x = 119,577.39 × 52,679.10
  4. Step 4: Simplify right side
    86,676.09x = 6,299,229,348.27
  5. Step 5: Solve for x
    x = 6,299,229,348.27/86,676.09
  6. Step 6: Final answer
    x = 72,675.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.