Home / 79,416.27-109,595.70-43,609.50

Finding the Fourth Proportional to 79,416.27, 109,595.70 and 43,609.50

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Solution

The fourth proportional to 79,416.27, 109,595.70 and 43,609.50 is: 60,181.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,416.27 : 109,595.70 = 43,609.50 : x
  2. Step 2: Convert to fraction form
    79,416.27/109,595.70 = 43,609.50/x
  3. Step 3: Cross multiply
    79,416.27x = 109,595.70 × 43,609.50
  4. Step 4: Simplify right side
    79,416.27x = 4,779,413,679.15
  5. Step 5: Solve for x
    x = 4,779,413,679.15/79,416.27
  6. Step 6: Final answer
    x = 60,181.79

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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.