Home / 95,022.58-131,145-54,728.50

Finding the Fourth Proportional to 95,022.58, 131,145 and 54,728.50

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Solution

The fourth proportional to 95,022.58, 131,145 and 54,728.50 is: 75,533.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,022.58 : 131,145 = 54,728.50 : x
  2. Step 2: Convert to fraction form
    95,022.58/131,145 = 54,728.50/x
  3. Step 3: Cross multiply
    95,022.58x = 131,145 × 54,728.50
  4. Step 4: Simplify right side
    95,022.58x = 7,177,369,132.50
  5. Step 5: Solve for x
    x = 7,177,369,132.50/95,022.58
  6. Step 6: Final answer
    x = 75,533.30

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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.