Home / 83,610.94-125,363.06-55,115.01

Finding the Fourth Proportional to 83,610.94, 125,363.06 and 55,115.01

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Solution

The fourth proportional to 83,610.94, 125,363.06 and 55,115.01 is: 82,637.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,610.94 : 125,363.06 = 55,115.01 : x
  2. Step 2: Convert to fraction form
    83,610.94/125,363.06 = 55,115.01/x
  3. Step 3: Cross multiply
    83,610.94x = 125,363.06 × 55,115.01
  4. Step 4: Simplify right side
    83,610.94x = 6,909,386,029.96
  5. Step 5: Solve for x
    x = 6,909,386,029.96/83,610.94
  6. Step 6: Final answer
    x = 82,637.34

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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.