Home / 65,278.20-90,083.58-36,597.90

Finding the Fourth Proportional to 65,278.20, 90,083.58 and 36,597.90

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Solution

The fourth proportional to 65,278.20, 90,083.58 and 36,597.90 is: 50,504.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,278.20 : 90,083.58 = 36,597.90 : x
  2. Step 2: Convert to fraction form
    65,278.20/90,083.58 = 36,597.90/x
  3. Step 3: Cross multiply
    65,278.20x = 90,083.58 × 36,597.90
  4. Step 4: Simplify right side
    65,278.20x = 3,296,869,852.48
  5. Step 5: Solve for x
    x = 3,296,869,852.48/65,278.20
  6. Step 6: Final answer
    x = 50,504.91

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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.