Home / 101,204.31-139,674.24-58,762.84

Finding the Fourth Proportional to 101,204.31, 139,674.24 and 58,762.84

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Solution

The fourth proportional to 101,204.31, 139,674.24 and 58,762.84 is: 81,099.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,204.31 : 139,674.24 = 58,762.84 : x
  2. Step 2: Convert to fraction form
    101,204.31/139,674.24 = 58,762.84/x
  3. Step 3: Cross multiply
    101,204.31x = 139,674.24 × 58,762.84
  4. Step 4: Simplify right side
    101,204.31x = 8,207,654,318.87
  5. Step 5: Solve for x
    x = 8,207,654,318.87/101,204.31
  6. Step 6: Final answer
    x = 81,099.85

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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.