Home / 70,531.09-105,793.90-17,941.94

Finding the Fourth Proportional to 70,531.09, 105,793.90 and 17,941.94

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Solution

The fourth proportional to 70,531.09, 105,793.90 and 17,941.94 is: 26,912.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,531.09 : 105,793.90 = 17,941.94 : x
  2. Step 2: Convert to fraction form
    70,531.09/105,793.90 = 17,941.94/x
  3. Step 3: Cross multiply
    70,531.09x = 105,793.90 × 17,941.94
  4. Step 4: Simplify right side
    70,531.09x = 1,898,147,806.17
  5. Step 5: Solve for x
    x = 1,898,147,806.17/70,531.09
  6. Step 6: Final answer
    x = 26,912.21

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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.