Home / 117,630.35-162,330.87-63,915.37

Finding the Fourth Proportional to 117,630.35, 162,330.87 and 63,915.37

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Solution

The fourth proportional to 117,630.35, 162,330.87 and 63,915.37 is: 88,203.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.35 : 162,330.87 = 63,915.37 : x
  2. Step 2: Convert to fraction form
    117,630.35/162,330.87 = 63,915.37/x
  3. Step 3: Cross multiply
    117,630.35x = 162,330.87 × 63,915.37
  4. Step 4: Simplify right side
    117,630.35x = 10,375,437,655.24
  5. Step 5: Solve for x
    x = 10,375,437,655.24/117,630.35
  6. Step 6: Final answer
    x = 88,203.75

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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.