Home / 96,945.28-133,777.20-54,495.52

Finding the Fourth Proportional to 96,945.28, 133,777.20 and 54,495.52

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Solution

The fourth proportional to 96,945.28, 133,777.20 and 54,495.52 is: 75,199.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,945.28 : 133,777.20 = 54,495.52 : x
  2. Step 2: Convert to fraction form
    96,945.28/133,777.20 = 54,495.52/x
  3. Step 3: Cross multiply
    96,945.28x = 133,777.20 × 54,495.52
  4. Step 4: Simplify right side
    96,945.28x = 7,290,258,078.14
  5. Step 5: Solve for x
    x = 7,290,258,078.14/96,945.28
  6. Step 6: Final answer
    x = 75,199.72

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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.