Home / 103,660.10-155,522.96-37,098.75

Finding the Fourth Proportional to 103,660.10, 155,522.96 and 37,098.75

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Solution

The fourth proportional to 103,660.10, 155,522.96 and 37,098.75 is: 55,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,660.10 : 155,522.96 = 37,098.75 : x
  2. Step 2: Convert to fraction form
    103,660.10/155,522.96 = 37,098.75/x
  3. Step 3: Cross multiply
    103,660.10x = 155,522.96 × 37,098.75
  4. Step 4: Simplify right side
    103,660.10x = 5,769,707,412.30
  5. Step 5: Solve for x
    x = 5,769,707,412.30/103,660.10
  6. Step 6: Final answer
    x = 55,659.87

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1.5x scale

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.