Home / 117,821.68-162,594.62-64,107.07

Finding the Fourth Proportional to 117,821.68, 162,594.62 and 64,107.07

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Solution

The fourth proportional to 117,821.68, 162,594.62 and 64,107.07 is: 88,468.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,821.68 : 162,594.62 = 64,107.07 : x
  2. Step 2: Convert to fraction form
    117,821.68/162,594.62 = 64,107.07/x
  3. Step 3: Cross multiply
    117,821.68x = 162,594.62 × 64,107.07
  4. Step 4: Simplify right side
    117,821.68x = 10,423,464,685.96
  5. Step 5: Solve for x
    x = 10,423,464,685.96/117,821.68
  6. Step 6: Final answer
    x = 88,468.14

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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.