Home / 68,320.08-94,282.22-38,107.36

Finding the Fourth Proportional to 68,320.08, 94,282.22 and 38,107.36

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Solution

The fourth proportional to 68,320.08, 94,282.22 and 38,107.36 is: 52,588.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,320.08 : 94,282.22 = 38,107.36 : x
  2. Step 2: Convert to fraction form
    68,320.08/94,282.22 = 38,107.36/x
  3. Step 3: Cross multiply
    68,320.08x = 94,282.22 × 38,107.36
  4. Step 4: Simplify right side
    68,320.08x = 3,592,846,499.14
  5. Step 5: Solve for x
    x = 3,592,846,499.14/68,320.08
  6. Step 6: Final answer
    x = 52,588.44

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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.