Home / 93,436.20-128,944.44-50,997.60

Finding the Fourth Proportional to 93,436.20, 128,944.44 and 50,997.60

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Solution

The fourth proportional to 93,436.20, 128,944.44 and 50,997.60 is: 70,378.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,436.20 : 128,944.44 = 50,997.60 : x
  2. Step 2: Convert to fraction form
    93,436.20/128,944.44 = 50,997.60/x
  3. Step 3: Cross multiply
    93,436.20x = 128,944.44 × 50,997.60
  4. Step 4: Simplify right side
    93,436.20x = 6,575,856,973.34
  5. Step 5: Solve for x
    x = 6,575,856,973.34/93,436.20
  6. Step 6: Final answer
    x = 70,378.04

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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.