Home / 71,342.94-98,452.04-39,511.15

Finding the Fourth Proportional to 71,342.94, 98,452.04 and 39,511.15

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Solution

The fourth proportional to 71,342.94, 98,452.04 and 39,511.15 is: 54,524.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,342.94 : 98,452.04 = 39,511.15 : x
  2. Step 2: Convert to fraction form
    71,342.94/98,452.04 = 39,511.15/x
  3. Step 3: Cross multiply
    71,342.94x = 98,452.04 × 39,511.15
  4. Step 4: Simplify right side
    71,342.94x = 3,889,953,320.25
  5. Step 5: Solve for x
    x = 3,889,953,320.25/71,342.94
  6. Step 6: Final answer
    x = 54,524.71

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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.