Home / 102,936.45-154,374.98-35,465.74

Finding the Fourth Proportional to 102,936.45, 154,374.98 and 35,465.74

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Solution

The fourth proportional to 102,936.45, 154,374.98 and 35,465.74 is: 53,188.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,936.45 : 154,374.98 = 35,465.74 : x
  2. Step 2: Convert to fraction form
    102,936.45/154,374.98 = 35,465.74/x
  3. Step 3: Cross multiply
    102,936.45x = 154,374.98 × 35,465.74
  4. Step 4: Simplify right side
    102,936.45x = 5,475,022,172.70
  5. Step 5: Solve for x
    x = 5,475,022,172.70/102,936.45
  6. Step 6: Final answer
    x = 53,188.37

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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.