Home / 72,814.05-100,483.17-40,982.96

Finding the Fourth Proportional to 72,814.05, 100,483.17 and 40,982.96

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Solution

The fourth proportional to 72,814.05, 100,483.17 and 40,982.96 is: 56,556.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,814.05 : 100,483.17 = 40,982.96 : x
  2. Step 2: Convert to fraction form
    72,814.05/100,483.17 = 40,982.96/x
  3. Step 3: Cross multiply
    72,814.05x = 100,483.17 × 40,982.96
  4. Step 4: Simplify right side
    72,814.05x = 4,118,097,736.78
  5. Step 5: Solve for x
    x = 4,118,097,736.78/72,814.05
  6. Step 6: Final answer
    x = 56,556.36

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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.