Home / 117,627.78-162,327.03-63,913.26

Finding the Fourth Proportional to 117,627.78, 162,327.03 and 63,913.26

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Solution

The fourth proportional to 117,627.78, 162,327.03 and 63,913.26 is: 88,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,627.78 : 162,327.03 = 63,913.26 : x
  2. Step 2: Convert to fraction form
    117,627.78/162,327.03 = 63,913.26/x
  3. Step 3: Cross multiply
    117,627.78x = 162,327.03 × 63,913.26
  4. Step 4: Simplify right side
    117,627.78x = 10,374,849,673.42
  5. Step 5: Solve for x
    x = 10,374,849,673.42/117,627.78
  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.