Home / 55,273.60-82,910.40-50,435.20

Finding the Fourth Proportional to 55,273.60, 82,910.40 and 50,435.20

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Solution

The fourth proportional to 55,273.60, 82,910.40 and 50,435.20 is: 75,652.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,273.60 : 82,910.40 = 50,435.20 : x
  2. Step 2: Convert to fraction form
    55,273.60/82,910.40 = 50,435.20/x
  3. Step 3: Cross multiply
    55,273.60x = 82,910.40 × 50,435.20
  4. Step 4: Simplify right side
    55,273.60x = 4,181,602,606.08
  5. Step 5: Solve for x
    x = 4,181,602,606.08/55,273.60
  6. Step 6: Final answer
    x = 75,652.80

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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.