Home / 65,917.86-90,959.36-37,234.46

Finding the Fourth Proportional to 65,917.86, 90,959.36 and 37,234.46

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Solution

The fourth proportional to 65,917.86, 90,959.36 and 37,234.46 is: 51,379.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,917.86 : 90,959.36 = 37,234.46 : x
  2. Step 2: Convert to fraction form
    65,917.86/90,959.36 = 37,234.46/x
  3. Step 3: Cross multiply
    65,917.86x = 90,959.36 × 37,234.46
  4. Step 4: Simplify right side
    65,917.86x = 3,386,822,010.58
  5. Step 5: Solve for x
    x = 3,386,822,010.58/65,917.86
  6. Step 6: Final answer
    x = 51,379.43

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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.