Home / 72,835.92-100,512-41,004.12

Finding the Fourth Proportional to 72,835.92, 100,512 and 41,004.12

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Solution

The fourth proportional to 72,835.92, 100,512 and 41,004.12 is: 56,584.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,835.92 : 100,512 = 41,004.12 : x
  2. Step 2: Convert to fraction form
    72,835.92/100,512 = 41,004.12/x
  3. Step 3: Cross multiply
    72,835.92x = 100,512 × 41,004.12
  4. Step 4: Simplify right side
    72,835.92x = 4,121,406,109.44
  5. Step 5: Solve for x
    x = 4,121,406,109.44/72,835.92
  6. Step 6: Final answer
    x = 56,584.80

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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.