Home / 117,922.76-162,732.61-64,207.74

Finding the Fourth Proportional to 117,922.76, 162,732.61 and 64,207.74

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Solution

The fourth proportional to 117,922.76, 162,732.61 and 64,207.74 is: 88,606.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,922.76 : 162,732.61 = 64,207.74 : x
  2. Step 2: Convert to fraction form
    117,922.76/162,732.61 = 64,207.74/x
  3. Step 3: Cross multiply
    117,922.76x = 162,732.61 × 64,207.74
  4. Step 4: Simplify right side
    117,922.76x = 10,448,693,112.40
  5. Step 5: Solve for x
    x = 10,448,693,112.40/117,922.76
  6. Step 6: Final answer
    x = 88,606.25

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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.