Home / 80,732.66-111,412.07-44,438.30

Finding the Fourth Proportional to 80,732.66, 111,412.07 and 44,438.30

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Solution

The fourth proportional to 80,732.66, 111,412.07 and 44,438.30 is: 61,325.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,732.66 : 111,412.07 = 44,438.30 : x
  2. Step 2: Convert to fraction form
    80,732.66/111,412.07 = 44,438.30/x
  3. Step 3: Cross multiply
    80,732.66x = 111,412.07 × 44,438.30
  4. Step 4: Simplify right side
    80,732.66x = 4,950,962,732.09
  5. Step 5: Solve for x
    x = 4,950,962,732.09/80,732.66
  6. Step 6: Final answer
    x = 61,325.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.