Home / 69,994.27-96,589.68-39,779.06

Finding the Fourth Proportional to 69,994.27, 96,589.68 and 39,779.06

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Solution

The fourth proportional to 69,994.27, 96,589.68 and 39,779.06 is: 54,893.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,994.27 : 96,589.68 = 39,779.06 : x
  2. Step 2: Convert to fraction form
    69,994.27/96,589.68 = 39,779.06/x
  3. Step 3: Cross multiply
    69,994.27x = 96,589.68 × 39,779.06
  4. Step 4: Simplify right side
    69,994.27x = 3,842,246,676.10
  5. Step 5: Solve for x
    x = 3,842,246,676.10/69,994.27
  6. Step 6: Final answer
    x = 54,893.74

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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.