Home / 68,412.06-94,410.63-38,196.90

Finding the Fourth Proportional to 68,412.06, 94,410.63 and 38,196.90

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Solution

The fourth proportional to 68,412.06, 94,410.63 and 38,196.90 is: 52,712.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,412.06 : 94,410.63 = 38,196.90 : x
  2. Step 2: Convert to fraction form
    68,412.06/94,410.63 = 38,196.90/x
  3. Step 3: Cross multiply
    68,412.06x = 94,410.63 × 38,196.90
  4. Step 4: Simplify right side
    68,412.06x = 3,606,193,393.05
  5. Step 5: Solve for x
    x = 3,606,193,393.05/68,412.06
  6. Step 6: Final answer
    x = 52,712.83

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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.