Home / 66,134.55-91,203.51-51,003.25

Finding the Fourth Proportional to 66,134.55, 91,203.51 and 51,003.25

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Solution

The fourth proportional to 66,134.55, 91,203.51 and 51,003.25 is: 70,336.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.55 : 91,203.51 = 51,003.25 : x
  2. Step 2: Convert to fraction form
    66,134.55/91,203.51 = 51,003.25/x
  3. Step 3: Cross multiply
    66,134.55x = 91,203.51 × 51,003.25
  4. Step 4: Simplify right side
    66,134.55x = 4,651,675,384.66
  5. Step 5: Solve for x
    x = 4,651,675,384.66/66,134.55
  6. Step 6: Final answer
    x = 70,336.54

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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.