Home / 93,120.73-128,504.14-50,678.35

Finding the Fourth Proportional to 93,120.73, 128,504.14 and 50,678.35

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Solution

The fourth proportional to 93,120.73, 128,504.14 and 50,678.35 is: 69,934.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,120.73 : 128,504.14 = 50,678.35 : x
  2. Step 2: Convert to fraction form
    93,120.73/128,504.14 = 50,678.35/x
  3. Step 3: Cross multiply
    93,120.73x = 128,504.14 × 50,678.35
  4. Step 4: Simplify right side
    93,120.73x = 6,512,377,783.37
  5. Step 5: Solve for x
    x = 6,512,377,783.37/93,120.73
  6. Step 6: Final answer
    x = 69,934.78

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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.