Home / 67,430.44-101,119.36-25,287.56

Finding the Fourth Proportional to 67,430.44, 101,119.36 and 25,287.56

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Solution

The fourth proportional to 67,430.44, 101,119.36 and 25,287.56 is: 37,921.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,430.44 : 101,119.36 = 25,287.56 : x
  2. Step 2: Convert to fraction form
    67,430.44/101,119.36 = 25,287.56/x
  3. Step 3: Cross multiply
    67,430.44x = 101,119.36 × 25,287.56
  4. Step 4: Simplify right side
    67,430.44x = 2,557,061,883.16
  5. Step 5: Solve for x
    x = 2,557,061,883.16/67,430.44
  6. Step 6: Final answer
    x = 37,921.48

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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.