Home / 53,343.33-80,019.56-13,900.38

Finding the Fourth Proportional to 53,343.33, 80,019.56 and 13,900.38

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Solution

The fourth proportional to 53,343.33, 80,019.56 and 13,900.38 is: 20,851.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,343.33 : 80,019.56 = 13,900.38 : x
  2. Step 2: Convert to fraction form
    53,343.33/80,019.56 = 13,900.38/x
  3. Step 3: Cross multiply
    53,343.33x = 80,019.56 × 13,900.38
  4. Step 4: Simplify right side
    53,343.33x = 1,112,302,026.11
  5. Step 5: Solve for x
    x = 1,112,302,026.11/53,343.33
  6. Step 6: Final answer
    x = 20,851.76

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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.