Home / 66,911.42-92,338.80-36,699.50

Finding the Fourth Proportional to 66,911.42, 92,338.80 and 36,699.50

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Solution

The fourth proportional to 66,911.42, 92,338.80 and 36,699.50 is: 50,645.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,911.42 : 92,338.80 = 36,699.50 : x
  2. Step 2: Convert to fraction form
    66,911.42/92,338.80 = 36,699.50/x
  3. Step 3: Cross multiply
    66,911.42x = 92,338.80 × 36,699.50
  4. Step 4: Simplify right side
    66,911.42x = 3,388,787,790.60
  5. Step 5: Solve for x
    x = 3,388,787,790.60/66,911.42
  6. Step 6: Final answer
    x = 50,645.88

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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.