Home / 50,376.20-75,564.30-15,315.80

Finding the Fourth Proportional to 50,376.20, 75,564.30 and 15,315.80

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Solution

The fourth proportional to 50,376.20, 75,564.30 and 15,315.80 is: 22,973.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,376.20 : 75,564.30 = 15,315.80 : x
  2. Step 2: Convert to fraction form
    50,376.20/75,564.30 = 15,315.80/x
  3. Step 3: Cross multiply
    50,376.20x = 75,564.30 × 15,315.80
  4. Step 4: Simplify right side
    50,376.20x = 1,157,327,705.94
  5. Step 5: Solve for x
    x = 1,157,327,705.94/50,376.20
  6. Step 6: Final answer
    x = 22,973.70

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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.