Home / 71,546.28-98,725.86-39,716.52

Finding the Fourth Proportional to 71,546.28, 98,725.86 and 39,716.52

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Solution

The fourth proportional to 71,546.28, 98,725.86 and 39,716.52 is: 54,804.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,546.28 : 98,725.86 = 39,716.52 : x
  2. Step 2: Convert to fraction form
    71,546.28/98,725.86 = 39,716.52/x
  3. Step 3: Cross multiply
    71,546.28x = 98,725.86 × 39,716.52
  4. Step 4: Simplify right side
    71,546.28x = 3,921,047,593.21
  5. Step 5: Solve for x
    x = 3,921,047,593.21/71,546.28
  6. Step 6: Final answer
    x = 54,804.35

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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.