Home / 105,824.28-146,039.32-58,082.08

Finding the Fourth Proportional to 105,824.28, 146,039.32 and 58,082.08

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Solution

The fourth proportional to 105,824.28, 146,039.32 and 58,082.08 is: 80,154.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,824.28 : 146,039.32 = 58,082.08 : x
  2. Step 2: Convert to fraction form
    105,824.28/146,039.32 = 58,082.08/x
  3. Step 3: Cross multiply
    105,824.28x = 146,039.32 × 58,082.08
  4. Step 4: Simplify right side
    105,824.28x = 8,482,267,467.39
  5. Step 5: Solve for x
    x = 8,482,267,467.39/105,824.28
  6. Step 6: Final answer
    x = 80,154.27

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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.