Home / 75,430.13-104,112.29-43,594.43

Finding the Fourth Proportional to 75,430.13, 104,112.29 and 43,594.43

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Solution

The fourth proportional to 75,430.13, 104,112.29 and 43,594.43 is: 60,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,430.13 : 104,112.29 = 43,594.43 : x
  2. Step 2: Convert to fraction form
    75,430.13/104,112.29 = 43,594.43/x
  3. Step 3: Cross multiply
    75,430.13x = 104,112.29 × 43,594.43
  4. Step 4: Simplify right side
    75,430.13x = 4,538,715,938.54
  5. Step 5: Solve for x
    x = 4,538,715,938.54/75,430.13
  6. Step 6: Final answer
    x = 60,171.13

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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.