Home / 66,618.10-99,915.63-25,065.46

Finding the Fourth Proportional to 66,618.10, 99,915.63 and 25,065.46

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Solution

The fourth proportional to 66,618.10, 99,915.63 and 25,065.46 is: 37,593.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,618.10 : 99,915.63 = 25,065.46 : x
  2. Step 2: Convert to fraction form
    66,618.10/99,915.63 = 25,065.46/x
  3. Step 3: Cross multiply
    66,618.10x = 99,915.63 × 25,065.46
  4. Step 4: Simplify right side
    66,618.10x = 2,504,431,227.14
  5. Step 5: Solve for x
    x = 2,504,431,227.14/66,618.10
  6. Step 6: Final answer
    x = 37,593.86

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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.