Home / 68,333.67-94,301.18-38,121.75

Finding the Fourth Proportional to 68,333.67, 94,301.18 and 38,121.75

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Solution

The fourth proportional to 68,333.67, 94,301.18 and 38,121.75 is: 52,608.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,333.67 : 94,301.18 = 38,121.75 : x
  2. Step 2: Convert to fraction form
    68,333.67/94,301.18 = 38,121.75/x
  3. Step 3: Cross multiply
    68,333.67x = 94,301.18 × 38,121.75
  4. Step 4: Simplify right side
    68,333.67x = 3,594,925,818.06
  5. Step 5: Solve for x
    x = 3,594,925,818.06/68,333.67
  6. Step 6: Final answer
    x = 52,608.41

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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.