Home / 74,845.35-112,192.07-63,921.29

Finding the Fourth Proportional to 74,845.35, 112,192.07 and 63,921.29

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Solution

The fourth proportional to 74,845.35, 112,192.07 and 63,921.29 is: 95,817.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,845.35 : 112,192.07 = 63,921.29 : x
  2. Step 2: Convert to fraction form
    74,845.35/112,192.07 = 63,921.29/x
  3. Step 3: Cross multiply
    74,845.35x = 112,192.07 × 63,921.29
  4. Step 4: Simplify right side
    74,845.35x = 7,171,460,961.60
  5. Step 5: Solve for x
    x = 7,171,460,961.60/74,845.35
  6. Step 6: Final answer
    x = 95,817.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.