Home / 45,161.28-67,783.50-22,990.50

Finding the Fourth Proportional to 45,161.28, 67,783.50 and 22,990.50

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Solution

The fourth proportional to 45,161.28, 67,783.50 and 22,990.50 is: 34,506.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,161.28 : 67,783.50 = 22,990.50 : x
  2. Step 2: Convert to fraction form
    45,161.28/67,783.50 = 22,990.50/x
  3. Step 3: Cross multiply
    45,161.28x = 67,783.50 × 22,990.50
  4. Step 4: Simplify right side
    45,161.28x = 1,558,376,556.75
  5. Step 5: Solve for x
    x = 1,558,376,556.75/45,161.28
  6. Step 6: Final answer
    x = 34,506.92

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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.