Home / 106,328.64-146,728.12-58,581.04

Finding the Fourth Proportional to 106,328.64, 146,728.12 and 58,581.04

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Solution

The fourth proportional to 106,328.64, 146,728.12 and 58,581.04 is: 80,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,328.64 : 146,728.12 = 58,581.04 : x
  2. Step 2: Convert to fraction form
    106,328.64/146,728.12 = 58,581.04/x
  3. Step 3: Cross multiply
    106,328.64x = 146,728.12 × 58,581.04
  4. Step 4: Simplify right side
    106,328.64x = 8,595,485,866.84
  5. Step 5: Solve for x
    x = 8,595,485,866.84/106,328.64
  6. Step 6: Final answer
    x = 80,838.86

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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.