Home / 117,914.47-162,720.99-64,199.38

Finding the Fourth Proportional to 117,914.47, 162,720.99 and 64,199.38

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Solution

The fourth proportional to 117,914.47, 162,720.99 and 64,199.38 is: 88,594.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,914.47 : 162,720.99 = 64,199.38 : x
  2. Step 2: Convert to fraction form
    117,914.47/162,720.99 = 64,199.38/x
  3. Step 3: Cross multiply
    117,914.47x = 162,720.99 × 64,199.38
  4. Step 4: Simplify right side
    117,914.47x = 10,446,586,670.99
  5. Step 5: Solve for x
    x = 10,446,586,670.99/117,914.47
  6. Step 6: Final answer
    x = 88,594.61

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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.