Home / 68,286.51-94,235.76-38,073.72

Finding the Fourth Proportional to 68,286.51, 94,235.76 and 38,073.72

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Solution

The fourth proportional to 68,286.51, 94,235.76 and 38,073.72 is: 52,541.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,286.51 : 94,235.76 = 38,073.72 : x
  2. Step 2: Convert to fraction form
    68,286.51/94,235.76 = 38,073.72/x
  3. Step 3: Cross multiply
    68,286.51x = 94,235.76 × 38,073.72
  4. Step 4: Simplify right side
    68,286.51x = 3,587,905,940.23
  5. Step 5: Solve for x
    x = 3,587,905,940.23/68,286.51
  6. Step 6: Final answer
    x = 52,541.94

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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.