Home / 66,977.52-92,368.90-50,022.84

Finding the Fourth Proportional to 66,977.52, 92,368.90 and 50,022.84

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Solution

The fourth proportional to 66,977.52, 92,368.90 and 50,022.84 is: 68,986.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,977.52 : 92,368.90 = 50,022.84 : x
  2. Step 2: Convert to fraction form
    66,977.52/92,368.90 = 50,022.84/x
  3. Step 3: Cross multiply
    66,977.52x = 92,368.90 × 50,022.84
  4. Step 4: Simplify right side
    66,977.52x = 4,620,554,705.68
  5. Step 5: Solve for x
    x = 4,620,554,705.68/66,977.52
  6. Step 6: Final answer
    x = 68,986.65

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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.