Home / 88,728.50-133,027.14-53,660.36

Finding the Fourth Proportional to 88,728.50, 133,027.14 and 53,660.36

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Solution

The fourth proportional to 88,728.50, 133,027.14 and 53,660.36 is: 80,450.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,728.50 : 133,027.14 = 53,660.36 : x
  2. Step 2: Convert to fraction form
    88,728.50/133,027.14 = 53,660.36/x
  3. Step 3: Cross multiply
    88,728.50x = 133,027.14 × 53,660.36
  4. Step 4: Simplify right side
    88,728.50x = 7,138,284,222.17
  5. Step 5: Solve for x
    x = 7,138,284,222.17/88,728.50
  6. Step 6: Final answer
    x = 80,450.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.