Home / 117,450.14-162,079.79-63,734.72

Finding the Fourth Proportional to 117,450.14, 162,079.79 and 63,734.72

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Solution

The fourth proportional to 117,450.14, 162,079.79 and 63,734.72 is: 87,953.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,450.14 : 162,079.79 = 63,734.72 : x
  2. Step 2: Convert to fraction form
    117,450.14/162,079.79 = 63,734.72/x
  3. Step 3: Cross multiply
    117,450.14x = 162,079.79 × 63,734.72
  4. Step 4: Simplify right side
    117,450.14x = 10,330,108,904.24
  5. Step 5: Solve for x
    x = 10,330,108,904.24/117,450.14
  6. Step 6: Final answer
    x = 87,953.15

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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.