Home / 103,228.67-154,858.40-36,663.22

Finding the Fourth Proportional to 103,228.67, 154,858.40 and 36,663.22

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Solution

The fourth proportional to 103,228.67, 154,858.40 and 36,663.22 is: 55,000.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,228.67 : 154,858.40 = 36,663.22 : x
  2. Step 2: Convert to fraction form
    103,228.67/154,858.40 = 36,663.22/x
  3. Step 3: Cross multiply
    103,228.67x = 154,858.40 × 36,663.22
  4. Step 4: Simplify right side
    103,228.67x = 5,677,606,630.44
  5. Step 5: Solve for x
    x = 5,677,606,630.44/103,228.67
  6. Step 6: Final answer
    x = 55,000.29

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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.