Home / 50,558.50-75,837.48-13,118.55

Finding the Fourth Proportional to 50,558.50, 75,837.48 and 13,118.55

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Solution

The fourth proportional to 50,558.50, 75,837.48 and 13,118.55 is: 19,677.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,558.50 : 75,837.48 = 13,118.55 : x
  2. Step 2: Convert to fraction form
    50,558.50/75,837.48 = 13,118.55/x
  3. Step 3: Cross multiply
    50,558.50x = 75,837.48 × 13,118.55
  4. Step 4: Simplify right side
    50,558.50x = 994,877,773.25
  5. Step 5: Solve for x
    x = 994,877,773.25/50,558.50
  6. Step 6: Final answer
    x = 19,677.75

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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.