Home / 95,621.13-131,961.83-53,178.75

Finding the Fourth Proportional to 95,621.13, 131,961.83 and 53,178.75

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Solution

The fourth proportional to 95,621.13, 131,961.83 and 53,178.75 is: 73,389.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,621.13 : 131,961.83 = 53,178.75 : x
  2. Step 2: Convert to fraction form
    95,621.13/131,961.83 = 53,178.75/x
  3. Step 3: Cross multiply
    95,621.13x = 131,961.83 × 53,178.75
  4. Step 4: Simplify right side
    95,621.13x = 7,017,564,901.22
  5. Step 5: Solve for x
    x = 7,017,564,901.22/95,621.13
  6. Step 6: Final answer
    x = 73,389.27

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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.