Home / 105,989.37-146,263.68-58,241.70

Finding the Fourth Proportional to 105,989.37, 146,263.68 and 58,241.70

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Solution

The fourth proportional to 105,989.37, 146,263.68 and 58,241.70 is: 80,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,989.37 : 146,263.68 = 58,241.70 : x
  2. Step 2: Convert to fraction form
    105,989.37/146,263.68 = 58,241.70/x
  3. Step 3: Cross multiply
    105,989.37x = 146,263.68 × 58,241.70
  4. Step 4: Simplify right side
    105,989.37x = 8,518,645,371.46
  5. Step 5: Solve for x
    x = 8,518,645,371.46/105,989.37
  6. Step 6: Final answer
    x = 80,372.64

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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.