Home / 58,997.27-81,336.62-57,162.71

Finding the Fourth Proportional to 58,997.27, 81,336.62 and 57,162.71

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Solution

The fourth proportional to 58,997.27, 81,336.62 and 57,162.71 is: 78,807.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,997.27 : 81,336.62 = 57,162.71 : x
  2. Step 2: Convert to fraction form
    58,997.27/81,336.62 = 57,162.71/x
  3. Step 3: Cross multiply
    58,997.27x = 81,336.62 × 57,162.71
  4. Step 4: Simplify right side
    58,997.27x = 4,649,421,357.66
  5. Step 5: Solve for x
    x = 4,649,421,357.66/58,997.27
  6. Step 6: Final answer
    x = 78,807.41

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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.