Home / 72,865.15-100,554.28-41,034.59

Finding the Fourth Proportional to 72,865.15, 100,554.28 and 41,034.59

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Solution

The fourth proportional to 72,865.15, 100,554.28 and 41,034.59 is: 56,627.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,865.15 : 100,554.28 = 41,034.59 : x
  2. Step 2: Convert to fraction form
    72,865.15/100,554.28 = 41,034.59/x
  3. Step 3: Cross multiply
    72,865.15x = 100,554.28 × 41,034.59
  4. Step 4: Simplify right side
    72,865.15x = 4,126,203,447.37
  5. Step 5: Solve for x
    x = 4,126,203,447.37/72,865.15
  6. Step 6: Final answer
    x = 56,627.94

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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.