Home / 66,824.16-100,197.36-25,274.40

Finding the Fourth Proportional to 66,824.16, 100,197.36 and 25,274.40

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Solution

The fourth proportional to 66,824.16, 100,197.36 and 25,274.40 is: 37,896.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,824.16 : 100,197.36 = 25,274.40 : x
  2. Step 2: Convert to fraction form
    66,824.16/100,197.36 = 25,274.40/x
  3. Step 3: Cross multiply
    66,824.16x = 100,197.36 × 25,274.40
  4. Step 4: Simplify right side
    66,824.16x = 2,532,428,155.58
  5. Step 5: Solve for x
    x = 2,532,428,155.58/66,824.16
  6. Step 6: Final answer
    x = 37,896.89

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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.