Home / 72,981.36-100,714.11-41,150.04

Finding the Fourth Proportional to 72,981.36, 100,714.11 and 41,150.04

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Solution

The fourth proportional to 72,981.36, 100,714.11 and 41,150.04 is: 56,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,981.36 : 100,714.11 = 41,150.04 : x
  2. Step 2: Convert to fraction form
    72,981.36/100,714.11 = 41,150.04/x
  3. Step 3: Cross multiply
    72,981.36x = 100,714.11 × 41,150.04
  4. Step 4: Simplify right side
    72,981.36x = 4,144,389,655.06
  5. Step 5: Solve for x
    x = 4,144,389,655.06/72,981.36
  6. Step 6: Final answer
    x = 56,786.96

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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.