Home / 92,982.11-128,315.49-50,540.54

Finding the Fourth Proportional to 92,982.11, 128,315.49 and 50,540.54

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Solution

The fourth proportional to 92,982.11, 128,315.49 and 50,540.54 is: 69,746.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,982.11 : 128,315.49 = 50,540.54 : x
  2. Step 2: Convert to fraction form
    92,982.11/128,315.49 = 50,540.54/x
  3. Step 3: Cross multiply
    92,982.11x = 128,315.49 × 50,540.54
  4. Step 4: Simplify right side
    92,982.11x = 6,485,134,154.96
  5. Step 5: Solve for x
    x = 6,485,134,154.96/92,982.11
  6. Step 6: Final answer
    x = 69,746.04

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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.