Home / 109,627.22-151,314.82-61,908.50

Finding the Fourth Proportional to 109,627.22, 151,314.82 and 61,908.50

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Solution

The fourth proportional to 109,627.22, 151,314.82 and 61,908.50 is: 85,450.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,627.22 : 151,314.82 = 61,908.50 : x
  2. Step 2: Convert to fraction form
    109,627.22/151,314.82 = 61,908.50/x
  3. Step 3: Cross multiply
    109,627.22x = 151,314.82 × 61,908.50
  4. Step 4: Simplify right side
    109,627.22x = 9,367,673,533.97
  5. Step 5: Solve for x
    x = 9,367,673,533.97/109,627.22
  6. Step 6: Final answer
    x = 85,450.25

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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.