Home / 66,823.54-92,216.46-39,966.04

Finding the Fourth Proportional to 66,823.54, 92,216.46 and 39,966.04

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Solution

The fourth proportional to 66,823.54, 92,216.46 and 39,966.04 is: 55,153.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,823.54 : 92,216.46 = 39,966.04 : x
  2. Step 2: Convert to fraction form
    66,823.54/92,216.46 = 39,966.04/x
  3. Step 3: Cross multiply
    66,823.54x = 92,216.46 × 39,966.04
  4. Step 4: Simplify right side
    66,823.54x = 3,685,526,729.02
  5. Step 5: Solve for x
    x = 3,685,526,729.02/66,823.54
  6. Step 6: Final answer
    x = 55,153.12

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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.