Home / 56,913.24-85,379.10-21,377.30

Finding the Fourth Proportional to 56,913.24, 85,379.10 and 21,377.30

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Solution

The fourth proportional to 56,913.24, 85,379.10 and 21,377.30 is: 32,069.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,913.24 : 85,379.10 = 21,377.30 : x
  2. Step 2: Convert to fraction form
    56,913.24/85,379.10 = 21,377.30/x
  3. Step 3: Cross multiply
    56,913.24x = 85,379.10 × 21,377.30
  4. Step 4: Simplify right side
    56,913.24x = 1,825,174,634.43
  5. Step 5: Solve for x
    x = 1,825,174,634.43/56,913.24
  6. Step 6: Final answer
    x = 32,069.42

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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.