Home / 73,315.35-109,951.09-38,235.87

Finding the Fourth Proportional to 73,315.35, 109,951.09 and 38,235.87

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Solution

The fourth proportional to 73,315.35, 109,951.09 and 38,235.87 is: 57,342.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,315.35 : 109,951.09 = 38,235.87 : x
  2. Step 2: Convert to fraction form
    73,315.35/109,951.09 = 38,235.87/x
  3. Step 3: Cross multiply
    73,315.35x = 109,951.09 × 38,235.87
  4. Step 4: Simplify right side
    73,315.35x = 4,204,075,488.01
  5. Step 5: Solve for x
    x = 4,204,075,488.01/73,315.35
  6. Step 6: Final answer
    x = 57,342.36

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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.