Home / 52,845.09-72,926.99-31,620.26

Finding the Fourth Proportional to 52,845.09, 72,926.99 and 31,620.26

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Solution

The fourth proportional to 52,845.09, 72,926.99 and 31,620.26 is: 43,636.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,845.09 : 72,926.99 = 31,620.26 : x
  2. Step 2: Convert to fraction form
    52,845.09/72,926.99 = 31,620.26/x
  3. Step 3: Cross multiply
    52,845.09x = 72,926.99 × 31,620.26
  4. Step 4: Simplify right side
    52,845.09x = 2,305,969,862.08
  5. Step 5: Solve for x
    x = 2,305,969,862.08/52,845.09
  6. Step 6: Final answer
    x = 43,636.41

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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.