Home / 50,559.58-75,840.54-13,121.13

Finding the Fourth Proportional to 50,559.58, 75,840.54 and 13,121.13

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Solution

The fourth proportional to 50,559.58, 75,840.54 and 13,121.13 is: 19,681.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,559.58 : 75,840.54 = 13,121.13 : x
  2. Step 2: Convert to fraction form
    50,559.58/75,840.54 = 13,121.13/x
  3. Step 3: Cross multiply
    50,559.58x = 75,840.54 × 13,121.13
  4. Step 4: Simplify right side
    50,559.58x = 995,113,139.80
  5. Step 5: Solve for x
    x = 995,113,139.80/50,559.58
  6. Step 6: Final answer
    x = 19,681.99

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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.