Home / 66,986.99-92,439.65-37,914.73

Finding the Fourth Proportional to 66,986.99, 92,439.65 and 37,914.73

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Solution

The fourth proportional to 66,986.99, 92,439.65 and 37,914.73 is: 52,320.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,986.99 : 92,439.65 = 37,914.73 : x
  2. Step 2: Convert to fraction form
    66,986.99/92,439.65 = 37,914.73/x
  3. Step 3: Cross multiply
    66,986.99x = 92,439.65 × 37,914.73
  4. Step 4: Simplify right side
    66,986.99x = 3,504,824,720.63
  5. Step 5: Solve for x
    x = 3,504,824,720.63/66,986.99
  6. Step 6: Final answer
    x = 52,320.98

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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.