Home / 100,579.50-150,932.82-56,235.36

Finding the Fourth Proportional to 100,579.50, 150,932.82 and 56,235.36

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Solution

The fourth proportional to 100,579.50, 150,932.82 and 56,235.36 is: 84,388.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,579.50 : 150,932.82 = 56,235.36 : x
  2. Step 2: Convert to fraction form
    100,579.50/150,932.82 = 56,235.36/x
  3. Step 3: Cross multiply
    100,579.50x = 150,932.82 × 56,235.36
  4. Step 4: Simplify right side
    100,579.50x = 8,487,761,468.52
  5. Step 5: Solve for x
    x = 8,487,761,468.52/100,579.50
  6. Step 6: Final answer
    x = 84,388.58

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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.