Home / 85,261.06-117,661.14-47,021.98

Finding the Fourth Proportional to 85,261.06, 117,661.14 and 47,021.98

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Solution

The fourth proportional to 85,261.06, 117,661.14 and 47,021.98 is: 64,890.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,261.06 : 117,661.14 = 47,021.98 : x
  2. Step 2: Convert to fraction form
    85,261.06/117,661.14 = 47,021.98/x
  3. Step 3: Cross multiply
    85,261.06x = 117,661.14 × 47,021.98
  4. Step 4: Simplify right side
    85,261.06x = 5,532,659,771.86
  5. Step 5: Solve for x
    x = 5,532,659,771.86/85,261.06
  6. Step 6: Final answer
    x = 64,890.82

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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.