Home / 102,535.30-153,525.03-53,183.62

Finding the Fourth Proportional to 102,535.30, 153,525.03 and 53,183.62

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Solution

The fourth proportional to 102,535.30, 153,525.03 and 53,183.62 is: 79,631.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,535.30 : 153,525.03 = 53,183.62 : x
  2. Step 2: Convert to fraction form
    102,535.30/153,525.03 = 53,183.62/x
  3. Step 3: Cross multiply
    102,535.30x = 153,525.03 × 53,183.62
  4. Step 4: Simplify right side
    102,535.30x = 8,165,016,856.01
  5. Step 5: Solve for x
    x = 8,165,016,856.01/102,535.30
  6. Step 6: Final answer
    x = 79,631.28

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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.