Home / 67,129.16-92,636.37-36,914.54

Finding the Fourth Proportional to 67,129.16, 92,636.37 and 36,914.54

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Solution

The fourth proportional to 67,129.16, 92,636.37 and 36,914.54 is: 50,941.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,129.16 : 92,636.37 = 36,914.54 : x
  2. Step 2: Convert to fraction form
    67,129.16/92,636.37 = 36,914.54/x
  3. Step 3: Cross multiply
    67,129.16x = 92,636.37 × 36,914.54
  4. Step 4: Simplify right side
    67,129.16x = 3,419,628,985.82
  5. Step 5: Solve for x
    x = 3,419,628,985.82/67,129.16
  6. Step 6: Final answer
    x = 50,941.04

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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.