Home / 51,189.39-76,790.22-48,390.03

Finding the Fourth Proportional to 51,189.39, 76,790.22 and 48,390.03

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Solution

The fourth proportional to 51,189.39, 76,790.22 and 48,390.03 is: 72,590.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,189.39 : 76,790.22 = 48,390.03 : x
  2. Step 2: Convert to fraction form
    51,189.39/76,790.22 = 48,390.03/x
  3. Step 3: Cross multiply
    51,189.39x = 76,790.22 × 48,390.03
  4. Step 4: Simplify right side
    51,189.39x = 3,715,881,049.51
  5. Step 5: Solve for x
    x = 3,715,881,049.51/51,189.39
  6. Step 6: Final answer
    x = 72,590.84

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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.