Home / 95,633.16-131,973.81-53,190.78

Finding the Fourth Proportional to 95,633.16, 131,973.81 and 53,190.78

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Solution

The fourth proportional to 95,633.16, 131,973.81 and 53,190.78 is: 73,403.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,633.16 : 131,973.81 = 53,190.78 : x
  2. Step 2: Convert to fraction form
    95,633.16/131,973.81 = 53,190.78/x
  3. Step 3: Cross multiply
    95,633.16x = 131,973.81 × 53,190.78
  4. Step 4: Simplify right side
    95,633.16x = 7,019,789,199.10
  5. Step 5: Solve for x
    x = 7,019,789,199.10/95,633.16
  6. Step 6: Final answer
    x = 73,403.30

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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.