Home / 93,076.20-128,447.76-50,637.36

Finding the Fourth Proportional to 93,076.20, 128,447.76 and 50,637.36

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Solution

The fourth proportional to 93,076.20, 128,447.76 and 50,637.36 is: 69,880.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,076.20 : 128,447.76 = 50,637.36 : x
  2. Step 2: Convert to fraction form
    93,076.20/128,447.76 = 50,637.36/x
  3. Step 3: Cross multiply
    93,076.20x = 128,447.76 × 50,637.36
  4. Step 4: Simplify right side
    93,076.20x = 6,504,255,464.31
  5. Step 5: Solve for x
    x = 6,504,255,464.31/93,076.20
  6. Step 6: Final answer
    x = 69,880.97

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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.