Home / 66,911.13-92,338.55-36,696.19

Finding the Fourth Proportional to 66,911.13, 92,338.55 and 36,696.19

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Solution

The fourth proportional to 66,911.13, 92,338.55 and 36,696.19 is: 50,641.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,911.13 : 92,338.55 = 36,696.19 : x
  2. Step 2: Convert to fraction form
    66,911.13/92,338.55 = 36,696.19/x
  3. Step 3: Cross multiply
    66,911.13x = 92,338.55 × 36,696.19
  4. Step 4: Simplify right side
    66,911.13x = 3,388,472,791.64
  5. Step 5: Solve for x
    x = 3,388,472,791.64/66,911.13
  6. Step 6: Final answer
    x = 50,641.39

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1.5x scale

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.