Home / 67,181.27-92,718.68-38,881.49

Finding the Fourth Proportional to 67,181.27, 92,718.68 and 38,881.49

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Solution

The fourth proportional to 67,181.27, 92,718.68 and 38,881.49 is: 53,661.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,181.27 : 92,718.68 = 38,881.49 : x
  2. Step 2: Convert to fraction form
    67,181.27/92,718.68 = 38,881.49/x
  3. Step 3: Cross multiply
    67,181.27x = 92,718.68 × 38,881.49
  4. Step 4: Simplify right side
    67,181.27x = 3,605,039,771.23
  5. Step 5: Solve for x
    x = 3,605,039,771.23/67,181.27
  6. Step 6: Final answer
    x = 53,661.39

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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.