Home / 106,433.84-146,885.32-58,687.12

Finding the Fourth Proportional to 106,433.84, 146,885.32 and 58,687.12

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Solution

The fourth proportional to 106,433.84, 146,885.32 and 58,687.12 is: 80,991.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,433.84 : 146,885.32 = 58,687.12 : x
  2. Step 2: Convert to fraction form
    106,433.84/146,885.32 = 58,687.12/x
  3. Step 3: Cross multiply
    106,433.84x = 146,885.32 × 58,687.12
  4. Step 4: Simplify right side
    106,433.84x = 8,620,276,401.08
  5. Step 5: Solve for x
    x = 8,620,276,401.08/106,433.84
  6. Step 6: Final answer
    x = 80,991.88

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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.