Home / 117,450.72-162,079.20-63,733.44

Finding the Fourth Proportional to 117,450.72, 162,079.20 and 63,733.44

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Solution

The fourth proportional to 117,450.72, 162,079.20 and 63,733.44 is: 87,950.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,450.72 : 162,079.20 = 63,733.44 : x
  2. Step 2: Convert to fraction form
    117,450.72/162,079.20 = 63,733.44/x
  3. Step 3: Cross multiply
    117,450.72x = 162,079.20 × 63,733.44
  4. Step 4: Simplify right side
    117,450.72x = 10,329,864,968.45
  5. Step 5: Solve for x
    x = 10,329,864,968.45/117,450.72
  6. Step 6: Final answer
    x = 87,950.63

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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.