Home / 50,606.20-75,909.30-31,943.80

Finding the Fourth Proportional to 50,606.20, 75,909.30 and 31,943.80

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Solution

The fourth proportional to 50,606.20, 75,909.30 and 31,943.80 is: 47,915.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,606.20 : 75,909.30 = 31,943.80 : x
  2. Step 2: Convert to fraction form
    50,606.20/75,909.30 = 31,943.80/x
  3. Step 3: Cross multiply
    50,606.20x = 75,909.30 × 31,943.80
  4. Step 4: Simplify right side
    50,606.20x = 2,424,831,497.34
  5. Step 5: Solve for x
    x = 2,424,831,497.34/50,606.20
  6. Step 6: Final answer
    x = 47,915.70

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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.