Home / 68,415.32-94,412.16-38,201.11

Finding the Fourth Proportional to 68,415.32, 94,412.16 and 38,201.11

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Solution

The fourth proportional to 68,415.32, 94,412.16 and 38,201.11 is: 52,716.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,415.32 : 94,412.16 = 38,201.11 : x
  2. Step 2: Convert to fraction form
    68,415.32/94,412.16 = 38,201.11/x
  3. Step 3: Cross multiply
    68,415.32x = 94,412.16 × 38,201.11
  4. Step 4: Simplify right side
    68,415.32x = 3,606,649,354.52
  5. Step 5: Solve for x
    x = 3,606,649,354.52/68,415.32
  6. Step 6: Final answer
    x = 52,716.99

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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.