Home / 103,331.18-155,021.07-32,251.25

Finding the Fourth Proportional to 103,331.18, 155,021.07 and 32,251.25

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Solution

The fourth proportional to 103,331.18, 155,021.07 and 32,251.25 is: 48,384.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,331.18 : 155,021.07 = 32,251.25 : x
  2. Step 2: Convert to fraction form
    103,331.18/155,021.07 = 32,251.25/x
  3. Step 3: Cross multiply
    103,331.18x = 155,021.07 × 32,251.25
  4. Step 4: Simplify right side
    103,331.18x = 4,999,622,508.73
  5. Step 5: Solve for x
    x = 4,999,622,508.73/103,331.18
  6. Step 6: Final answer
    x = 48,384.45

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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.