Home / 74,620.68-102,935.70-51,923.76

Finding the Fourth Proportional to 74,620.68, 102,935.70 and 51,923.76

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Solution

The fourth proportional to 74,620.68, 102,935.70 and 51,923.76 is: 71,626.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,620.68 : 102,935.70 = 51,923.76 : x
  2. Step 2: Convert to fraction form
    74,620.68/102,935.70 = 51,923.76/x
  3. Step 3: Cross multiply
    74,620.68x = 102,935.70 × 51,923.76
  4. Step 4: Simplify right side
    74,620.68x = 5,344,808,582.23
  5. Step 5: Solve for x
    x = 5,344,808,582.23/74,620.68
  6. Step 6: Final answer
    x = 71,626.37

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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.