Home / 73,021.23-100,770.06-40,758.93

Finding the Fourth Proportional to 73,021.23, 100,770.06 and 40,758.93

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Solution

The fourth proportional to 73,021.23, 100,770.06 and 40,758.93 is: 56,247.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,021.23 : 100,770.06 = 40,758.93 : x
  2. Step 2: Convert to fraction form
    73,021.23/100,770.06 = 40,758.93/x
  3. Step 3: Cross multiply
    73,021.23x = 100,770.06 × 40,758.93
  4. Step 4: Simplify right side
    73,021.23x = 4,107,279,317.79
  5. Step 5: Solve for x
    x = 4,107,279,317.79/73,021.23
  6. Step 6: Final answer
    x = 56,247.75

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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.