Home / 92,786.67-128,045.07-50,344.29

Finding the Fourth Proportional to 92,786.67, 128,045.07 and 50,344.29

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Solution

The fourth proportional to 92,786.67, 128,045.07 and 50,344.29 is: 69,474.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,786.67 : 128,045.07 = 50,344.29 : x
  2. Step 2: Convert to fraction form
    92,786.67/128,045.07 = 50,344.29/x
  3. Step 3: Cross multiply
    92,786.67x = 128,045.07 × 50,344.29
  4. Step 4: Simplify right side
    92,786.67x = 6,446,338,137.15
  5. Step 5: Solve for x
    x = 6,446,338,137.15/92,786.67
  6. Step 6: Final answer
    x = 69,474.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.