Home / 117,772.90-162,521.92-64,057.84

Finding the Fourth Proportional to 117,772.90, 162,521.92 and 64,057.84

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Solution

The fourth proportional to 117,772.90, 162,521.92 and 64,057.84 is: 88,397.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,772.90 : 162,521.92 = 64,057.84 : x
  2. Step 2: Convert to fraction form
    117,772.90/162,521.92 = 64,057.84/x
  3. Step 3: Cross multiply
    117,772.90x = 162,521.92 × 64,057.84
  4. Step 4: Simplify right side
    117,772.90x = 10,410,803,147.85
  5. Step 5: Solve for x
    x = 10,410,803,147.85/117,772.90
  6. Step 6: Final answer
    x = 88,397.27

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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.