Home / 66,985.13-92,439.12-36,770.96

Finding the Fourth Proportional to 66,985.13, 92,439.12 and 36,770.96

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Solution

The fourth proportional to 66,985.13, 92,439.12 and 36,770.96 is: 50,743.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,985.13 : 92,439.12 = 36,770.96 : x
  2. Step 2: Convert to fraction form
    66,985.13/92,439.12 = 36,770.96/x
  3. Step 3: Cross multiply
    66,985.13x = 92,439.12 × 36,770.96
  4. Step 4: Simplify right side
    66,985.13x = 3,399,075,183.96
  5. Step 5: Solve for x
    x = 3,399,075,183.96/66,985.13
  6. Step 6: Final answer
    x = 50,743.73

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1.5x scale

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.