Home / 66,911.20-92,338.63-36,696.26

Finding the Fourth Proportional to 66,911.20, 92,338.63 and 36,696.26

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Solution

The fourth proportional to 66,911.20, 92,338.63 and 36,696.26 is: 50,641.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,911.20 : 92,338.63 = 36,696.26 : x
  2. Step 2: Convert to fraction form
    66,911.20/92,338.63 = 36,696.26/x
  3. Step 3: Cross multiply
    66,911.20x = 92,338.63 × 36,696.26
  4. Step 4: Simplify right side
    66,911.20x = 3,388,482,200.64
  5. Step 5: Solve for x
    x = 3,388,482,200.64/66,911.20
  6. Step 6: Final answer
    x = 50,641.48

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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.