Home / 95,648.64-131,979.60-53,206.08

Finding the Fourth Proportional to 95,648.64, 131,979.60 and 53,206.08

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Solution

The fourth proportional to 95,648.64, 131,979.60 and 53,206.08 is: 73,415.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,648.64 : 131,979.60 = 53,206.08 : x
  2. Step 2: Convert to fraction form
    95,648.64/131,979.60 = 53,206.08/x
  3. Step 3: Cross multiply
    95,648.64x = 131,979.60 × 53,206.08
  4. Step 4: Simplify right side
    95,648.64x = 7,022,117,155.97
  5. Step 5: Solve for x
    x = 7,022,117,155.97/95,648.64
  6. Step 6: Final answer
    x = 73,415.76

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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.