Home / 120,907.64-181,176.78-50,748.68

Finding the Fourth Proportional to 120,907.64, 181,176.78 and 50,748.68

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Solution

The fourth proportional to 120,907.64, 181,176.78 and 50,748.68 is: 76,045.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,907.64 : 181,176.78 = 50,748.68 : x
  2. Step 2: Convert to fraction form
    120,907.64/181,176.78 = 50,748.68/x
  3. Step 3: Cross multiply
    120,907.64x = 181,176.78 × 50,748.68
  4. Step 4: Simplify right side
    120,907.64x = 9,194,482,431.65
  5. Step 5: Solve for x
    x = 9,194,482,431.65/120,907.64
  6. Step 6: Final answer
    x = 76,045.50

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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.