Home / 93,146.10-128,540.98-50,704.54

Finding the Fourth Proportional to 93,146.10, 128,540.98 and 50,704.54

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Solution

The fourth proportional to 93,146.10, 128,540.98 and 50,704.54 is: 69,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,146.10 : 128,540.98 = 50,704.54 : x
  2. Step 2: Convert to fraction form
    93,146.10/128,540.98 = 50,704.54/x
  3. Step 3: Cross multiply
    93,146.10x = 128,540.98 × 50,704.54
  4. Step 4: Simplify right side
    93,146.10x = 6,517,611,262.05
  5. Step 5: Solve for x
    x = 6,517,611,262.05/93,146.10
  6. Step 6: Final answer
    x = 69,971.92

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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.