Home / 101,331.89-152,025.53-30,257.81

Finding the Fourth Proportional to 101,331.89, 152,025.53 and 30,257.81

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Solution

The fourth proportional to 101,331.89, 152,025.53 and 30,257.81 is: 45,394.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,331.89 : 152,025.53 = 30,257.81 : x
  2. Step 2: Convert to fraction form
    101,331.89/152,025.53 = 30,257.81/x
  3. Step 3: Cross multiply
    101,331.89x = 152,025.53 × 30,257.81
  4. Step 4: Simplify right side
    101,331.89x = 4,599,958,690.47
  5. Step 5: Solve for x
    x = 4,599,958,690.47/101,331.89
  6. Step 6: Final answer
    x = 45,394.98

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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.