Home / 75,743.40-104,513.60-43,906.08

Finding the Fourth Proportional to 75,743.40, 104,513.60 and 43,906.08

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Solution

The fourth proportional to 75,743.40, 104,513.60 and 43,906.08 is: 60,583.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,743.40 : 104,513.60 = 43,906.08 : x
  2. Step 2: Convert to fraction form
    75,743.40/104,513.60 = 43,906.08/x
  3. Step 3: Cross multiply
    75,743.40x = 104,513.60 × 43,906.08
  4. Step 4: Simplify right side
    75,743.40x = 4,588,782,482.69
  5. Step 5: Solve for x
    x = 4,588,782,482.69/75,743.40
  6. Step 6: Final answer
    x = 60,583.27

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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.