Home / 120,974.45-181,449.95-36,735.35

Finding the Fourth Proportional to 120,974.45, 181,449.95 and 36,735.35

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Solution

The fourth proportional to 120,974.45, 181,449.95 and 36,735.35 is: 55,099.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,974.45 : 181,449.95 = 36,735.35 : x
  2. Step 2: Convert to fraction form
    120,974.45/181,449.95 = 36,735.35/x
  3. Step 3: Cross multiply
    120,974.45x = 181,449.95 × 36,735.35
  4. Step 4: Simplify right side
    120,974.45x = 6,665,626,329.81
  5. Step 5: Solve for x
    x = 6,665,626,329.81/120,974.45
  6. Step 6: Final answer
    x = 55,099.45

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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.