Home / 117,627.60-162,323.28-63,911.40

Finding the Fourth Proportional to 117,627.60, 162,323.28 and 63,911.40

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Solution

The fourth proportional to 117,627.60, 162,323.28 and 63,911.40 is: 88,196.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,627.60 : 162,323.28 = 63,911.40 : x
  2. Step 2: Convert to fraction form
    117,627.60/162,323.28 = 63,911.40/x
  3. Step 3: Cross multiply
    117,627.60x = 162,323.28 × 63,911.40
  4. Step 4: Simplify right side
    117,627.60x = 10,374,308,077.39
  5. Step 5: Solve for x
    x = 10,374,308,077.39/117,627.60
  6. Step 6: Final answer
    x = 88,196.21

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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.