Home / 66,977.75-92,428.97-36,763.58

Finding the Fourth Proportional to 66,977.75, 92,428.97 and 36,763.58

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Solution

The fourth proportional to 66,977.75, 92,428.97 and 36,763.58 is: 50,733.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,977.75 : 92,428.97 = 36,763.58 : x
  2. Step 2: Convert to fraction form
    66,977.75/92,428.97 = 36,763.58/x
  3. Step 3: Cross multiply
    66,977.75x = 92,428.97 × 36,763.58
  4. Step 4: Simplify right side
    66,977.75x = 3,398,019,880.17
  5. Step 5: Solve for x
    x = 3,398,019,880.17/66,977.75
  6. Step 6: Final answer
    x = 50,733.57

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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.