Home / 117,630.05-162,330.47-63,915.06

Finding the Fourth Proportional to 117,630.05, 162,330.47 and 63,915.06

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Solution

The fourth proportional to 117,630.05, 162,330.47 and 63,915.06 is: 88,203.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,630.05 : 162,330.47 = 63,915.06 : x
  2. Step 2: Convert to fraction form
    117,630.05/162,330.47 = 63,915.06/x
  3. Step 3: Cross multiply
    117,630.05x = 162,330.47 × 63,915.06
  4. Step 4: Simplify right side
    117,630.05x = 10,375,361,410.30
  5. Step 5: Solve for x
    x = 10,375,361,410.30/117,630.05
  6. Step 6: Final answer
    x = 88,203.33

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1.5x scale

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.