Home / 56,579.44-78,101.40-37,709.68

Finding the Fourth Proportional to 56,579.44, 78,101.40 and 37,709.68

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Solution

The fourth proportional to 56,579.44, 78,101.40 and 37,709.68 is: 52,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,579.44 : 78,101.40 = 37,709.68 : x
  2. Step 2: Convert to fraction form
    56,579.44/78,101.40 = 37,709.68/x
  3. Step 3: Cross multiply
    56,579.44x = 78,101.40 × 37,709.68
  4. Step 4: Simplify right side
    56,579.44x = 2,945,178,801.55
  5. Step 5: Solve for x
    x = 2,945,178,801.55/56,579.44
  6. Step 6: Final answer
    x = 52,053.87

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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.