Home / 58,997.64-81,337.14-57,163.08

Finding the Fourth Proportional to 58,997.64, 81,337.14 and 57,163.08

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Solution

The fourth proportional to 58,997.64, 81,337.14 and 57,163.08 is: 78,807.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,997.64 : 81,337.14 = 57,163.08 : x
  2. Step 2: Convert to fraction form
    58,997.64/81,337.14 = 57,163.08/x
  3. Step 3: Cross multiply
    58,997.64x = 81,337.14 × 57,163.08
  4. Step 4: Simplify right side
    58,997.64x = 4,649,481,440.79
  5. Step 5: Solve for x
    x = 4,649,481,440.79/58,997.64
  6. Step 6: Final answer
    x = 78,807.92

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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.