Home / 91,401.08-137,052.41-49,303.76

Finding the Fourth Proportional to 91,401.08, 137,052.41 and 49,303.76

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Solution

The fourth proportional to 91,401.08, 137,052.41 and 49,303.76 is: 73,929.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,401.08 : 137,052.41 = 49,303.76 : x
  2. Step 2: Convert to fraction form
    91,401.08/137,052.41 = 49,303.76/x
  3. Step 3: Cross multiply
    91,401.08x = 137,052.41 × 49,303.76
  4. Step 4: Simplify right side
    91,401.08x = 6,757,198,198.28
  5. Step 5: Solve for x
    x = 6,757,198,198.28/91,401.08
  6. Step 6: Final answer
    x = 73,929.09

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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.