Home / 66,823.23-92,216.04-39,965.73

Finding the Fourth Proportional to 66,823.23, 92,216.04 and 39,965.73

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Solution

The fourth proportional to 66,823.23, 92,216.04 and 39,965.73 is: 55,152.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,823.23 : 92,216.04 = 39,965.73 : x
  2. Step 2: Convert to fraction form
    66,823.23/92,216.04 = 39,965.73/x
  3. Step 3: Cross multiply
    66,823.23x = 92,216.04 × 39,965.73
  4. Step 4: Simplify right side
    66,823.23x = 3,685,481,356.31
  5. Step 5: Solve for x
    x = 3,685,481,356.31/66,823.23
  6. Step 6: Final answer
    x = 55,152.70

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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.