Home / 71,546.07-107,319-27,172.74

Finding the Fourth Proportional to 71,546.07, 107,319 and 27,172.74

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Solution

The fourth proportional to 71,546.07, 107,319 and 27,172.74 is: 40,759.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.07 : 107,319 = 27,172.74 : x
  2. Step 2: Convert to fraction form
    71,546.07/107,319 = 27,172.74/x
  3. Step 3: Cross multiply
    71,546.07x = 107,319 × 27,172.74
  4. Step 4: Simplify right side
    71,546.07x = 2,916,151,284.06
  5. Step 5: Solve for x
    x = 2,916,151,284.06/71,546.07
  6. Step 6: Final answer
    x = 40,759.07

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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.