Home / 57,215.09-85,760.30-48,869.79

Finding the Fourth Proportional to 57,215.09, 85,760.30 and 48,869.79

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Solution

The fourth proportional to 57,215.09, 85,760.30 and 48,869.79 is: 73,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,215.09 : 85,760.30 = 48,869.79 : x
  2. Step 2: Convert to fraction form
    57,215.09/85,760.30 = 48,869.79/x
  3. Step 3: Cross multiply
    57,215.09x = 85,760.30 × 48,869.79
  4. Step 4: Simplify right side
    57,215.09x = 4,191,087,606.99
  5. Step 5: Solve for x
    x = 4,191,087,606.99/57,215.09
  6. Step 6: Final answer
    x = 73,251.44

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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.