Home / 85,235.38-117,625.37-47,512.02

Finding the Fourth Proportional to 85,235.38, 117,625.37 and 47,512.02

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Solution

The fourth proportional to 85,235.38, 117,625.37 and 47,512.02 is: 65,566.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,235.38 : 117,625.37 = 47,512.02 : x
  2. Step 2: Convert to fraction form
    85,235.38/117,625.37 = 47,512.02/x
  3. Step 3: Cross multiply
    85,235.38x = 117,625.37 × 47,512.02
  4. Step 4: Simplify right side
    85,235.38x = 5,588,618,931.95
  5. Step 5: Solve for x
    x = 5,588,618,931.95/85,235.38
  6. Step 6: Final answer
    x = 65,566.89

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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.