Home / 72,857.19-100,544.61-40,593.95

Finding the Fourth Proportional to 72,857.19, 100,544.61 and 40,593.95

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Solution

The fourth proportional to 72,857.19, 100,544.61 and 40,593.95 is: 56,020.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,857.19 : 100,544.61 = 40,593.95 : x
  2. Step 2: Convert to fraction form
    72,857.19/100,544.61 = 40,593.95/x
  3. Step 3: Cross multiply
    72,857.19x = 100,544.61 × 40,593.95
  4. Step 4: Simplify right side
    72,857.19x = 4,081,502,745.43
  5. Step 5: Solve for x
    x = 4,081,502,745.43/72,857.19
  6. Step 6: Final answer
    x = 56,020.59

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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.