Home / 50,694.64-76,035.48-21,106.96

Finding the Fourth Proportional to 50,694.64, 76,035.48 and 21,106.96

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Solution

The fourth proportional to 50,694.64, 76,035.48 and 21,106.96 is: 31,657.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,694.64 : 76,035.48 = 21,106.96 : x
  2. Step 2: Convert to fraction form
    50,694.64/76,035.48 = 21,106.96/x
  3. Step 3: Cross multiply
    50,694.64x = 76,035.48 × 21,106.96
  4. Step 4: Simplify right side
    50,694.64x = 1,604,877,834.94
  5. Step 5: Solve for x
    x = 1,604,877,834.94/50,694.64
  6. Step 6: Final answer
    x = 31,657.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.