Home / 55,228.68-76,222.44-31,363.02

Finding the Fourth Proportional to 55,228.68, 76,222.44 and 31,363.02

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Solution

The fourth proportional to 55,228.68, 76,222.44 and 31,363.02 is: 43,284.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,228.68 : 76,222.44 = 31,363.02 : x
  2. Step 2: Convert to fraction form
    55,228.68/76,222.44 = 31,363.02/x
  3. Step 3: Cross multiply
    55,228.68x = 76,222.44 × 31,363.02
  4. Step 4: Simplify right side
    55,228.68x = 2,390,565,910.17
  5. Step 5: Solve for x
    x = 2,390,565,910.17/55,228.68
  6. Step 6: Final answer
    x = 43,284.86

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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.