Home / 71,662.08-107,493.36-21,742.59

Finding the Fourth Proportional to 71,662.08, 107,493.36 and 21,742.59

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Solution

The fourth proportional to 71,662.08, 107,493.36 and 21,742.59 is: 32,613.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,662.08 : 107,493.36 = 21,742.59 : x
  2. Step 2: Convert to fraction form
    71,662.08/107,493.36 = 21,742.59/x
  3. Step 3: Cross multiply
    71,662.08x = 107,493.36 × 21,742.59
  4. Step 4: Simplify right side
    71,662.08x = 2,337,184,498.07
  5. Step 5: Solve for x
    x = 2,337,184,498.07/71,662.08
  6. Step 6: Final answer
    x = 32,613.96

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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.