Home / 93,409.32-128,754.24-63,183.60

Finding the Fourth Proportional to 93,409.32, 128,754.24 and 63,183.60

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Solution

The fourth proportional to 93,409.32, 128,754.24 and 63,183.60 is: 87,091.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,409.32 : 128,754.24 = 63,183.60 : x
  2. Step 2: Convert to fraction form
    93,409.32/128,754.24 = 63,183.60/x
  3. Step 3: Cross multiply
    93,409.32x = 128,754.24 × 63,183.60
  4. Step 4: Simplify right side
    93,409.32x = 8,135,156,398.46
  5. Step 5: Solve for x
    x = 8,135,156,398.46/93,409.32
  6. Step 6: Final answer
    x = 87,091.49

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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.