Home / 68,400.68-94,397.70-38,191.94

Finding the Fourth Proportional to 68,400.68, 94,397.70 and 38,191.94

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Solution

The fourth proportional to 68,400.68, 94,397.70 and 38,191.94 is: 52,707.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,400.68 : 94,397.70 = 38,191.94 : x
  2. Step 2: Convert to fraction form
    68,400.68/94,397.70 = 38,191.94/x
  3. Step 3: Cross multiply
    68,400.68x = 94,397.70 × 38,191.94
  4. Step 4: Simplify right side
    68,400.68x = 3,605,231,294.54
  5. Step 5: Solve for x
    x = 3,605,231,294.54/68,400.68
  6. Step 6: Final answer
    x = 52,707.54

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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.