Home / 50,561.65-75,841.86-13,118.39

Finding the Fourth Proportional to 50,561.65, 75,841.86 and 13,118.39

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Solution

The fourth proportional to 50,561.65, 75,841.86 and 13,118.39 is: 19,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,561.65 : 75,841.86 = 13,118.39 : x
  2. Step 2: Convert to fraction form
    50,561.65/75,841.86 = 13,118.39/x
  3. Step 3: Cross multiply
    50,561.65x = 75,841.86 × 13,118.39
  4. Step 4: Simplify right side
    50,561.65x = 994,922,718.60
  5. Step 5: Solve for x
    x = 994,922,718.60/50,561.65
  6. Step 6: Final answer
    x = 19,677.42

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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.