Home / 80,765.72-111,459.29-44,471.00

Finding the Fourth Proportional to 80,765.72, 111,459.29 and 44,471.00

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Solution

The fourth proportional to 80,765.72, 111,459.29 and 44,471.00 is: 61,371.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,765.72 : 111,459.29 = 44,471.00 : x
  2. Step 2: Convert to fraction form
    80,765.72/111,459.29 = 44,471.00/x
  3. Step 3: Cross multiply
    80,765.72x = 111,459.29 × 44,471.00
  4. Step 4: Simplify right side
    80,765.72x = 4,956,706,141.88
  5. Step 5: Solve for x
    x = 4,956,706,141.88/80,765.72
  6. Step 6: Final answer
    x = 61,371.41

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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.