Home / 106,099.40-146,420.24-58,355.81

Finding the Fourth Proportional to 106,099.40, 146,420.24 and 58,355.81

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Solution

The fourth proportional to 106,099.40, 146,420.24 and 58,355.81 is: 80,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,099.40 : 146,420.24 = 58,355.81 : x
  2. Step 2: Convert to fraction form
    106,099.40/146,420.24 = 58,355.81/x
  3. Step 3: Cross multiply
    106,099.40x = 146,420.24 × 58,355.81
  4. Step 4: Simplify right side
    106,099.40x = 8,544,471,705.59
  5. Step 5: Solve for x
    x = 8,544,471,705.59/106,099.40
  6. Step 6: Final answer
    x = 80,532.71

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1.5x scale

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.