Home / 76,158.73-105,100.36-41,706.50

Finding the Fourth Proportional to 76,158.73, 105,100.36 and 41,706.50

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Solution

The fourth proportional to 76,158.73, 105,100.36 and 41,706.50 is: 57,555.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,158.73 : 105,100.36 = 41,706.50 : x
  2. Step 2: Convert to fraction form
    76,158.73/105,100.36 = 41,706.50/x
  3. Step 3: Cross multiply
    76,158.73x = 105,100.36 × 41,706.50
  4. Step 4: Simplify right side
    76,158.73x = 4,383,367,651.87
  5. Step 5: Solve for x
    x = 4,383,367,651.87/76,158.73
  6. Step 6: Final answer
    x = 57,555.68

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1.5x scale

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.