Home / 117,628.09-162,327.49-63,913.25

Finding the Fourth Proportional to 117,628.09, 162,327.49 and 63,913.25

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Solution

The fourth proportional to 117,628.09, 162,327.49 and 63,913.25 is: 88,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,628.09 : 162,327.49 = 63,913.25 : x
  2. Step 2: Convert to fraction form
    117,628.09/162,327.49 = 63,913.25/x
  3. Step 3: Cross multiply
    117,628.09x = 162,327.49 × 63,913.25
  4. Step 4: Simplify right side
    117,628.09x = 10,374,877,696.28
  5. Step 5: Solve for x
    x = 10,374,877,696.28/117,628.09
  6. Step 6: Final answer
    x = 88,200.68

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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.