Home / 63,915.38-88,203.30-38,422.02

Finding the Fourth Proportional to 63,915.38, 88,203.30 and 38,422.02

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Solution

The fourth proportional to 63,915.38, 88,203.30 and 38,422.02 is: 53,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,915.38 : 88,203.30 = 38,422.02 : x
  2. Step 2: Convert to fraction form
    63,915.38/88,203.30 = 38,422.02/x
  3. Step 3: Cross multiply
    63,915.38x = 88,203.30 × 38,422.02
  4. Step 4: Simplify right side
    63,915.38x = 3,388,949,219.46
  5. Step 5: Solve for x
    x = 3,388,949,219.46/63,915.38
  6. Step 6: Final answer
    x = 53,022.44

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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.