Home / 93,760.70-129,389.55-51,318.86

Finding the Fourth Proportional to 93,760.70, 129,389.55 and 51,318.86

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Solution

The fourth proportional to 93,760.70, 129,389.55 and 51,318.86 is: 70,819.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,760.70 : 129,389.55 = 51,318.86 : x
  2. Step 2: Convert to fraction form
    93,760.70/129,389.55 = 51,318.86/x
  3. Step 3: Cross multiply
    93,760.70x = 129,389.55 × 51,318.86
  4. Step 4: Simplify right side
    93,760.70x = 6,640,124,201.91
  5. Step 5: Solve for x
    x = 6,640,124,201.91/93,760.70
  6. Step 6: Final answer
    x = 70,819.91

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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.