Home / 66,814.85-100,240.73-59,470.63

Finding the Fourth Proportional to 66,814.85, 100,240.73 and 59,470.63

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Solution

The fourth proportional to 66,814.85, 100,240.73 and 59,470.63 is: 89,222.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,814.85 : 100,240.73 = 59,470.63 : x
  2. Step 2: Convert to fraction form
    66,814.85/100,240.73 = 59,470.63/x
  3. Step 3: Cross multiply
    66,814.85x = 100,240.73 × 59,470.63
  4. Step 4: Simplify right side
    66,814.85x = 5,961,379,415.72
  5. Step 5: Solve for x
    x = 5,961,379,415.72/66,814.85
  6. Step 6: Final answer
    x = 89,222.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.