Home / 72,245.48-99,714.33-43,960.28

Finding the Fourth Proportional to 72,245.48, 99,714.33 and 43,960.28

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Solution

The fourth proportional to 72,245.48, 99,714.33 and 43,960.28 is: 60,674.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,245.48 : 99,714.33 = 43,960.28 : x
  2. Step 2: Convert to fraction form
    72,245.48/99,714.33 = 43,960.28/x
  3. Step 3: Cross multiply
    72,245.48x = 99,714.33 × 43,960.28
  4. Step 4: Simplify right side
    72,245.48x = 4,383,469,368.24
  5. Step 5: Solve for x
    x = 4,383,469,368.24/72,245.48
  6. Step 6: Final answer
    x = 60,674.66

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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.