Home / 106,431.50-146,873.84-58,683.62

Finding the Fourth Proportional to 106,431.50, 146,873.84 and 58,683.62

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Solution

The fourth proportional to 106,431.50, 146,873.84 and 58,683.62 is: 80,982.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,431.50 : 146,873.84 = 58,683.62 : x
  2. Step 2: Convert to fraction form
    106,431.50/146,873.84 = 58,683.62/x
  3. Step 3: Cross multiply
    106,431.50x = 146,873.84 × 58,683.62
  4. Step 4: Simplify right side
    106,431.50x = 8,619,088,614.50
  5. Step 5: Solve for x
    x = 8,619,088,614.50/106,431.50
  6. Step 6: Final answer
    x = 80,982.50

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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.