Home / 52,786.67-72,843.64-28,913.54

Finding the Fourth Proportional to 52,786.67, 72,843.64 and 28,913.54

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Solution

The fourth proportional to 52,786.67, 72,843.64 and 28,913.54 is: 39,899.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,786.67 : 72,843.64 = 28,913.54 : x
  2. Step 2: Convert to fraction form
    52,786.67/72,843.64 = 28,913.54/x
  3. Step 3: Cross multiply
    52,786.67x = 72,843.64 × 28,913.54
  4. Step 4: Simplify right side
    52,786.67x = 2,106,167,062.38
  5. Step 5: Solve for x
    x = 2,106,167,062.38/52,786.67
  6. Step 6: Final answer
    x = 39,899.60

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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.