Home / 93,320.49-128,785.10-50,879.73

Finding the Fourth Proportional to 93,320.49, 128,785.10 and 50,879.73

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Solution

The fourth proportional to 93,320.49, 128,785.10 and 50,879.73 is: 70,215.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,320.49 : 128,785.10 = 50,879.73 : x
  2. Step 2: Convert to fraction form
    93,320.49/128,785.10 = 50,879.73/x
  3. Step 3: Cross multiply
    93,320.49x = 128,785.10 × 50,879.73
  4. Step 4: Simplify right side
    93,320.49x = 6,552,550,861.62
  5. Step 5: Solve for x
    x = 6,552,550,861.62/93,320.49
  6. Step 6: Final answer
    x = 70,215.56

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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.