Home / 93,620.38-129,195.30-51,178.78

Finding the Fourth Proportional to 93,620.38, 129,195.30 and 51,178.78

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Solution

The fourth proportional to 93,620.38, 129,195.30 and 51,178.78 is: 70,626.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,620.38 : 129,195.30 = 51,178.78 : x
  2. Step 2: Convert to fraction form
    93,620.38/129,195.30 = 51,178.78/x
  3. Step 3: Cross multiply
    93,620.38x = 129,195.30 × 51,178.78
  4. Step 4: Simplify right side
    93,620.38x = 6,612,057,835.73
  5. Step 5: Solve for x
    x = 6,612,057,835.73/93,620.38
  6. Step 6: Final answer
    x = 70,626.27

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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.