Home / 76,211.56-104,940.18-67,589.80

Finding the Fourth Proportional to 76,211.56, 104,940.18 and 67,589.80

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Solution

The fourth proportional to 76,211.56, 104,940.18 and 67,589.80 is: 93,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,211.56 : 104,940.18 = 67,589.80 : x
  2. Step 2: Convert to fraction form
    76,211.56/104,940.18 = 67,589.80/x
  3. Step 3: Cross multiply
    76,211.56x = 104,940.18 × 67,589.80
  4. Step 4: Simplify right side
    76,211.56x = 7,092,885,778.16
  5. Step 5: Solve for x
    x = 7,092,885,778.16/76,211.56
  6. Step 6: Final answer
    x = 93,068.37

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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.