Home / 92,982.10-128,316.21-50,540.61

Finding the Fourth Proportional to 92,982.10, 128,316.21 and 50,540.61

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Solution

The fourth proportional to 92,982.10, 128,316.21 and 50,540.61 is: 69,746.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,982.10 : 128,316.21 = 50,540.61 : x
  2. Step 2: Convert to fraction form
    92,982.10/128,316.21 = 50,540.61/x
  3. Step 3: Cross multiply
    92,982.10x = 128,316.21 × 50,540.61
  4. Step 4: Simplify right side
    92,982.10x = 6,485,179,526.29
  5. Step 5: Solve for x
    x = 6,485,179,526.29/92,982.10
  6. Step 6: Final answer
    x = 69,746.54

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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.