Home / 50,072.18-75,103.40-13,136.18

Finding the Fourth Proportional to 50,072.18, 75,103.40 and 13,136.18

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Solution

The fourth proportional to 50,072.18, 75,103.40 and 13,136.18 is: 19,702.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,072.18 : 75,103.40 = 13,136.18 : x
  2. Step 2: Convert to fraction form
    50,072.18/75,103.40 = 13,136.18/x
  3. Step 3: Cross multiply
    50,072.18x = 75,103.40 × 13,136.18
  4. Step 4: Simplify right side
    50,072.18x = 986,571,438.34
  5. Step 5: Solve for x
    x = 986,571,438.34/50,072.18
  6. Step 6: Final answer
    x = 19,702.99

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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.