Home / 51,384.96-76,999.68-38,173.68

Finding the Fourth Proportional to 51,384.96, 76,999.68 and 38,173.68

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Solution

The fourth proportional to 51,384.96, 76,999.68 and 38,173.68 is: 57,202.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.96 : 76,999.68 = 38,173.68 : x
  2. Step 2: Convert to fraction form
    51,384.96/76,999.68 = 38,173.68/x
  3. Step 3: Cross multiply
    51,384.96x = 76,999.68 × 38,173.68
  4. Step 4: Simplify right side
    51,384.96x = 2,939,361,144.42
  5. Step 5: Solve for x
    x = 2,939,361,144.42/51,384.96
  6. Step 6: Final answer
    x = 57,202.75

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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.