Home / 55,012.50-75,917.34-29,862

Finding the Fourth Proportional to 55,012.50, 75,917.34 and 29,862

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Solution

The fourth proportional to 55,012.50, 75,917.34 and 29,862 is: 41,209.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,012.50 : 75,917.34 = 29,862 : x
  2. Step 2: Convert to fraction form
    55,012.50/75,917.34 = 29,862/x
  3. Step 3: Cross multiply
    55,012.50x = 75,917.34 × 29,862
  4. Step 4: Simplify right side
    55,012.50x = 2,267,043,607.08
  5. Step 5: Solve for x
    x = 2,267,043,607.08/55,012.50
  6. Step 6: Final answer
    x = 41,209.61

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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.