Home / 68,415.06-94,411.86-38,200.89

Finding the Fourth Proportional to 68,415.06, 94,411.86 and 38,200.89

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Solution

The fourth proportional to 68,415.06, 94,411.86 and 38,200.89 is: 52,716.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,415.06 : 94,411.86 = 38,200.89 : x
  2. Step 2: Convert to fraction form
    68,415.06/94,411.86 = 38,200.89/x
  3. Step 3: Cross multiply
    68,415.06x = 94,411.86 × 38,200.89
  4. Step 4: Simplify right side
    68,415.06x = 3,606,617,078.56
  5. Step 5: Solve for x
    x = 3,606,617,078.56/68,415.06
  6. Step 6: Final answer
    x = 52,716.71

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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.