Home / 80,030.84-119,950.38-37,278.64

Finding the Fourth Proportional to 80,030.84, 119,950.38 and 37,278.64

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Solution

The fourth proportional to 80,030.84, 119,950.38 and 37,278.64 is: 55,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,030.84 : 119,950.38 = 37,278.64 : x
  2. Step 2: Convert to fraction form
    80,030.84/119,950.38 = 37,278.64/x
  3. Step 3: Cross multiply
    80,030.84x = 119,950.38 × 37,278.64
  4. Step 4: Simplify right side
    80,030.84x = 4,471,587,033.88
  5. Step 5: Solve for x
    x = 4,471,587,033.88/80,030.84
  6. Step 6: Final answer
    x = 55,873.30

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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.