Home / 71,010.15-106,099.26-68,526.77

Finding the Fourth Proportional to 71,010.15, 106,099.26 and 68,526.77

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Solution

The fourth proportional to 71,010.15, 106,099.26 and 68,526.77 is: 102,388.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,010.15 : 106,099.26 = 68,526.77 : x
  2. Step 2: Convert to fraction form
    71,010.15/106,099.26 = 68,526.77/x
  3. Step 3: Cross multiply
    71,010.15x = 106,099.26 × 68,526.77
  4. Step 4: Simplify right side
    71,010.15x = 7,270,639,056.69
  5. Step 5: Solve for x
    x = 7,270,639,056.69/71,010.15
  6. Step 6: Final answer
    x = 102,388.73

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.