Home / 103,243.56-154,885.50-33,117.48

Finding the Fourth Proportional to 103,243.56, 154,885.50 and 33,117.48

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Solution

The fourth proportional to 103,243.56, 154,885.50 and 33,117.48 is: 49,682.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,243.56 : 154,885.50 = 33,117.48 : x
  2. Step 2: Convert to fraction form
    103,243.56/154,885.50 = 33,117.48/x
  3. Step 3: Cross multiply
    103,243.56x = 154,885.50 × 33,117.48
  4. Step 4: Simplify right side
    103,243.56x = 5,129,417,448.54
  5. Step 5: Solve for x
    x = 5,129,417,448.54/103,243.56
  6. Step 6: Final answer
    x = 49,682.69

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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.