Home / 85,768.22-118,095.99-76,191.44

Finding the Fourth Proportional to 85,768.22, 118,095.99 and 76,191.44

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Solution

The fourth proportional to 85,768.22, 118,095.99 and 76,191.44 is: 104,909.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,768.22 : 118,095.99 = 76,191.44 : x
  2. Step 2: Convert to fraction form
    85,768.22/118,095.99 = 76,191.44/x
  3. Step 3: Cross multiply
    85,768.22x = 118,095.99 × 76,191.44
  4. Step 4: Simplify right side
    85,768.22x = 8,997,903,536.33
  5. Step 5: Solve for x
    x = 8,997,903,536.33/85,768.22
  6. Step 6: Final answer
    x = 104,909.53

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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.