Home / 66,985.28-92,433.89-36,770.49

Finding the Fourth Proportional to 66,985.28, 92,433.89 and 36,770.49

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Solution

The fourth proportional to 66,985.28, 92,433.89 and 36,770.49 is: 50,740.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,985.28 : 92,433.89 = 36,770.49 : x
  2. Step 2: Convert to fraction form
    66,985.28/92,433.89 = 36,770.49/x
  3. Step 3: Cross multiply
    66,985.28x = 92,433.89 × 36,770.49
  4. Step 4: Simplify right side
    66,985.28x = 3,398,839,519.83
  5. Step 5: Solve for x
    x = 3,398,839,519.83/66,985.28
  6. Step 6: Final answer
    x = 50,740.10

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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.