Home / 91,013.06-125,604.33-55,204.58

Finding the Fourth Proportional to 91,013.06, 125,604.33 and 55,204.58

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Solution

The fourth proportional to 91,013.06, 125,604.33 and 55,204.58 is: 76,186.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,013.06 : 125,604.33 = 55,204.58 : x
  2. Step 2: Convert to fraction form
    91,013.06/125,604.33 = 55,204.58/x
  3. Step 3: Cross multiply
    91,013.06x = 125,604.33 × 55,204.58
  4. Step 4: Simplify right side
    91,013.06x = 6,933,934,283.83
  5. Step 5: Solve for x
    x = 6,933,934,283.83/91,013.06
  6. Step 6: Final answer
    x = 76,186.15

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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.