Home / 117,817.28-162,582.99-64,102.51

Finding the Fourth Proportional to 117,817.28, 162,582.99 and 64,102.51

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Solution

The fourth proportional to 117,817.28, 162,582.99 and 64,102.51 is: 88,458.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,817.28 : 162,582.99 = 64,102.51 : x
  2. Step 2: Convert to fraction form
    117,817.28/162,582.99 = 64,102.51/x
  3. Step 3: Cross multiply
    117,817.28x = 162,582.99 × 64,102.51
  4. Step 4: Simplify right side
    117,817.28x = 10,421,976,608.88
  5. Step 5: Solve for x
    x = 10,421,976,608.88/117,817.28
  6. Step 6: Final answer
    x = 88,458.82

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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.