Home / 93,640.39-129,223.74-51,198.92

Finding the Fourth Proportional to 93,640.39, 129,223.74 and 51,198.92

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Solution

The fourth proportional to 93,640.39, 129,223.74 and 51,198.92 is: 70,654.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,640.39 : 129,223.74 = 51,198.92 : x
  2. Step 2: Convert to fraction form
    93,640.39/129,223.74 = 51,198.92/x
  3. Step 3: Cross multiply
    93,640.39x = 129,223.74 × 51,198.92
  4. Step 4: Simplify right side
    93,640.39x = 6,616,116,249.42
  5. Step 5: Solve for x
    x = 6,616,116,249.42/93,640.39
  6. Step 6: Final answer
    x = 70,654.51

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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.