Home / 74,471.19-111,786.37-30,126.93

Finding the Fourth Proportional to 74,471.19, 111,786.37 and 30,126.93

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Solution

The fourth proportional to 74,471.19, 111,786.37 and 30,126.93 is: 45,222.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,471.19 : 111,786.37 = 30,126.93 : x
  2. Step 2: Convert to fraction form
    74,471.19/111,786.37 = 30,126.93/x
  3. Step 3: Cross multiply
    74,471.19x = 111,786.37 × 30,126.93
  4. Step 4: Simplify right side
    74,471.19x = 3,367,780,068.63
  5. Step 5: Solve for x
    x = 3,367,780,068.63/74,471.19
  6. Step 6: Final answer
    x = 45,222.59

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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.