Home / 101,313.81-152,014.46-54,557.37

Finding the Fourth Proportional to 101,313.81, 152,014.46 and 54,557.37

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Solution

The fourth proportional to 101,313.81, 152,014.46 and 54,557.37 is: 81,859.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,313.81 : 152,014.46 = 54,557.37 : x
  2. Step 2: Convert to fraction form
    101,313.81/152,014.46 = 54,557.37/x
  3. Step 3: Cross multiply
    101,313.81x = 152,014.46 × 54,557.37
  4. Step 4: Simplify right side
    101,313.81x = 8,293,508,866.78
  5. Step 5: Solve for x
    x = 8,293,508,866.78/101,313.81
  6. Step 6: Final answer
    x = 81,859.61

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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.