Home / 66,629.60-99,932.88-25,076.96

Finding the Fourth Proportional to 66,629.60, 99,932.88 and 25,076.96

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Solution

The fourth proportional to 66,629.60, 99,932.88 and 25,076.96 is: 37,611.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,629.60 : 99,932.88 = 25,076.96 : x
  2. Step 2: Convert to fraction form
    66,629.60/99,932.88 = 25,076.96/x
  3. Step 3: Cross multiply
    66,629.60x = 99,932.88 × 25,076.96
  4. Step 4: Simplify right side
    66,629.60x = 2,506,012,834.44
  5. Step 5: Solve for x
    x = 2,506,012,834.44/66,629.60
  6. Step 6: Final answer
    x = 37,611.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.