Home / 68,429.28-94,427.02-38,212.24

Finding the Fourth Proportional to 68,429.28, 94,427.02 and 38,212.24

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Solution

The fourth proportional to 68,429.28, 94,427.02 and 38,212.24 is: 52,729.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,429.28 : 94,427.02 = 38,212.24 : x
  2. Step 2: Convert to fraction form
    68,429.28/94,427.02 = 38,212.24/x
  3. Step 3: Cross multiply
    68,429.28x = 94,427.02 × 38,212.24
  4. Step 4: Simplify right side
    68,429.28x = 3,608,267,950.72
  5. Step 5: Solve for x
    x = 3,608,267,950.72/68,429.28
  6. Step 6: Final answer
    x = 52,729.88

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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.