Home / 66,918.38-92,347.50-36,703.95

Finding the Fourth Proportional to 66,918.38, 92,347.50 and 36,703.95

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Solution

The fourth proportional to 66,918.38, 92,347.50 and 36,703.95 is: 50,651.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,918.38 : 92,347.50 = 36,703.95 : x
  2. Step 2: Convert to fraction form
    66,918.38/92,347.50 = 36,703.95/x
  3. Step 3: Cross multiply
    66,918.38x = 92,347.50 × 36,703.95
  4. Step 4: Simplify right side
    66,918.38x = 3,389,517,839.11
  5. Step 5: Solve for x
    x = 3,389,517,839.11/66,918.38
  6. Step 6: Final answer
    x = 50,651.52

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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.