Home / 66,945.08-92,385.12-36,729.86

Finding the Fourth Proportional to 66,945.08, 92,385.12 and 36,729.86

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Solution

The fourth proportional to 66,945.08, 92,385.12 and 36,729.86 is: 50,687.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,945.08 : 92,385.12 = 36,729.86 : x
  2. Step 2: Convert to fraction form
    66,945.08/92,385.12 = 36,729.86/x
  3. Step 3: Cross multiply
    66,945.08x = 92,385.12 × 36,729.86
  4. Step 4: Simplify right side
    66,945.08x = 3,393,292,199.49
  5. Step 5: Solve for x
    x = 3,393,292,199.49/66,945.08
  6. Step 6: Final answer
    x = 50,687.70

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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.