Home / 68,676.68-94,777.32-38,460.24

Finding the Fourth Proportional to 68,676.68, 94,777.32 and 38,460.24

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Solution

The fourth proportional to 68,676.68, 94,777.32 and 38,460.24 is: 53,077.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,676.68 : 94,777.32 = 38,460.24 : x
  2. Step 2: Convert to fraction form
    68,676.68/94,777.32 = 38,460.24/x
  3. Step 3: Cross multiply
    68,676.68x = 94,777.32 × 38,460.24
  4. Step 4: Simplify right side
    68,676.68x = 3,645,158,473.76
  5. Step 5: Solve for x
    x = 3,645,158,473.76/68,676.68
  6. Step 6: Final answer
    x = 53,077.09

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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.