Home / 102,917.28-154,354.32-29,028

Finding the Fourth Proportional to 102,917.28, 154,354.32 and 29,028

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Solution

The fourth proportional to 102,917.28, 154,354.32 and 29,028 is: 43,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,917.28 : 154,354.32 = 29,028 : x
  2. Step 2: Convert to fraction form
    102,917.28/154,354.32 = 29,028/x
  3. Step 3: Cross multiply
    102,917.28x = 154,354.32 × 29,028
  4. Step 4: Simplify right side
    102,917.28x = 4,480,597,200.96
  5. Step 5: Solve for x
    x = 4,480,597,200.96/102,917.28
  6. Step 6: Final answer
    x = 43,535.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.