Home / 93,380.72-128,863.28-50,940.76

Finding the Fourth Proportional to 93,380.72, 128,863.28 and 50,940.76

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Solution

The fourth proportional to 93,380.72, 128,863.28 and 50,940.76 is: 70,297.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,380.72 : 128,863.28 = 50,940.76 : x
  2. Step 2: Convert to fraction form
    93,380.72/128,863.28 = 50,940.76/x
  3. Step 3: Cross multiply
    93,380.72x = 128,863.28 × 50,940.76
  4. Step 4: Simplify right side
    93,380.72x = 6,564,393,419.29
  5. Step 5: Solve for x
    x = 6,564,393,419.29/93,380.72
  6. Step 6: Final answer
    x = 70,297.10

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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.