Home / 74,825.14-103,260.87-40,835.81

Finding the Fourth Proportional to 74,825.14, 103,260.87 and 40,835.81

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Solution

The fourth proportional to 74,825.14, 103,260.87 and 40,835.81 is: 56,354.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,825.14 : 103,260.87 = 40,835.81 : x
  2. Step 2: Convert to fraction form
    74,825.14/103,260.87 = 40,835.81/x
  3. Step 3: Cross multiply
    74,825.14x = 103,260.87 × 40,835.81
  4. Step 4: Simplify right side
    74,825.14x = 4,216,741,076.34
  5. Step 5: Solve for x
    x = 4,216,741,076.34/74,825.14
  6. Step 6: Final answer
    x = 56,354.61

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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.