Home / 95,457.18-131,727.20-53,018.40

Finding the Fourth Proportional to 95,457.18, 131,727.20 and 53,018.40

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Solution

The fourth proportional to 95,457.18, 131,727.20 and 53,018.40 is: 73,163.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,457.18 : 131,727.20 = 53,018.40 : x
  2. Step 2: Convert to fraction form
    95,457.18/131,727.20 = 53,018.40/x
  3. Step 3: Cross multiply
    95,457.18x = 131,727.20 × 53,018.40
  4. Step 4: Simplify right side
    95,457.18x = 6,983,965,380.48
  5. Step 5: Solve for x
    x = 6,983,965,380.48/95,457.18
  6. Step 6: Final answer
    x = 73,163.33

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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.