Home / 93,415.44-128,914.92-50,974.32

Finding the Fourth Proportional to 93,415.44, 128,914.92 and 50,974.32

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Solution

The fourth proportional to 93,415.44, 128,914.92 and 50,974.32 is: 70,345.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,415.44 : 128,914.92 = 50,974.32 : x
  2. Step 2: Convert to fraction form
    93,415.44/128,914.92 = 50,974.32/x
  3. Step 3: Cross multiply
    93,415.44x = 128,914.92 × 50,974.32
  4. Step 4: Simplify right side
    93,415.44x = 6,571,350,384.85
  5. Step 5: Solve for x
    x = 6,571,350,384.85/93,415.44
  6. Step 6: Final answer
    x = 70,345.44

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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.