Home / 35,450.70-53,172.45-12,076.80

Finding the Fourth Proportional to 35,450.70, 53,172.45 and 12,076.80

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Solution

The fourth proportional to 35,450.70, 53,172.45 and 12,076.80 is: 18,113.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,450.70 : 53,172.45 = 12,076.80 : x
  2. Step 2: Convert to fraction form
    35,450.70/53,172.45 = 12,076.80/x
  3. Step 3: Cross multiply
    35,450.70x = 53,172.45 × 12,076.80
  4. Step 4: Simplify right side
    35,450.70x = 642,153,044.16
  5. Step 5: Solve for x
    x = 642,153,044.16/35,450.70
  6. Step 6: Final answer
    x = 18,113.97

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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.