Home / 55,457.92-83,187.24-22,180.78

Finding the Fourth Proportional to 55,457.92, 83,187.24 and 22,180.78

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Solution

The fourth proportional to 55,457.92, 83,187.24 and 22,180.78 is: 33,271.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,457.92 : 83,187.24 = 22,180.78 : x
  2. Step 2: Convert to fraction form
    55,457.92/83,187.24 = 22,180.78/x
  3. Step 3: Cross multiply
    55,457.92x = 83,187.24 × 22,180.78
  4. Step 4: Simplify right side
    55,457.92x = 1,845,157,869.25
  5. Step 5: Solve for x
    x = 1,845,157,869.25/55,457.92
  6. Step 6: Final answer
    x = 33,271.31

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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.