Home / 99,428.58-149,141.52-36,262.62

Finding the Fourth Proportional to 99,428.58, 149,141.52 and 36,262.62

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Solution

The fourth proportional to 99,428.58, 149,141.52 and 36,262.62 is: 54,393.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,428.58 : 149,141.52 = 36,262.62 : x
  2. Step 2: Convert to fraction form
    99,428.58/149,141.52 = 36,262.62/x
  3. Step 3: Cross multiply
    99,428.58x = 149,141.52 × 36,262.62
  4. Step 4: Simplify right side
    99,428.58x = 5,408,262,265.98
  5. Step 5: Solve for x
    x = 5,408,262,265.98/99,428.58
  6. Step 6: Final answer
    x = 54,393.44

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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.