Home / 74,923.76-103,396.79-40,933.67

Finding the Fourth Proportional to 74,923.76, 103,396.79 and 40,933.67

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Solution

The fourth proportional to 74,923.76, 103,396.79 and 40,933.67 is: 56,489.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,923.76 : 103,396.79 = 40,933.67 : x
  2. Step 2: Convert to fraction form
    74,923.76/103,396.79 = 40,933.67/x
  3. Step 3: Cross multiply
    74,923.76x = 103,396.79 × 40,933.67
  4. Step 4: Simplify right side
    74,923.76x = 4,232,409,359.27
  5. Step 5: Solve for x
    x = 4,232,409,359.27/74,923.76
  6. Step 6: Final answer
    x = 56,489.55

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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.