Home / 107,019.84-160,531.34-50,865.68

Finding the Fourth Proportional to 107,019.84, 160,531.34 and 50,865.68

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Solution

The fourth proportional to 107,019.84, 160,531.34 and 50,865.68 is: 76,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,019.84 : 160,531.34 = 50,865.68 : x
  2. Step 2: Convert to fraction form
    107,019.84/160,531.34 = 50,865.68/x
  3. Step 3: Cross multiply
    107,019.84x = 160,531.34 × 50,865.68
  4. Step 4: Simplify right side
    107,019.84x = 8,165,535,770.41
  5. Step 5: Solve for x
    x = 8,165,535,770.41/107,019.84
  6. Step 6: Final answer
    x = 76,299.27

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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.